diff --git a/package-lock.json b/package-lock.json
index f1cfafef140..e115d96b136 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -468,6 +468,27 @@
         "netlify-cli-logo": "^1.0.0",
         "netlify-redirect-parser": "^1.0.3",
         "netlify-redirector": "^0.0.4"
+      },
+      "dependencies": {
+        "chokidar": {
+          "version": "2.1.6",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.6.tgz",
+          "integrity": "sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==",
+          "requires": {
+            "anymatch": "^2.0.0",
+            "async-each": "^1.0.1",
+            "braces": "^2.3.2",
+            "fsevents": "^1.2.7",
+            "glob-parent": "^3.1.0",
+            "inherits": "^2.0.3",
+            "is-binary-path": "^1.0.0",
+            "is-glob": "^4.0.0",
+            "normalize-path": "^3.0.0",
+            "path-is-absolute": "^1.0.0",
+            "readdirp": "^2.2.1",
+            "upath": "^1.1.1"
+          }
+        }
       }
     },
     "@netlify/zip-it-and-ship-it": {
@@ -487,13 +508,23 @@
         "read-pkg-up": "^4.0.0",
         "require-package-name": "^2.0.1",
         "resolve": "^1.10.0"
+      },
+      "dependencies": {
+        "read-pkg-up": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-4.0.0.tgz",
+          "integrity": "sha512-6etQSH7nJGsK0RbG/2TeDzZFa8shjQ1um+SwQQ5cwKy0dhSXdOncEhb1CPpvQG4h7FyOV6EB6YlV0yJvZQNAkA==",
+          "requires": {
+            "find-up": "^3.0.0",
+            "read-pkg": "^3.0.0"
+          }
+        }
       }
     },
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       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.1.tgz",
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-      "dev": true,
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@@ -502,14 +533,12 @@
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-      "dev": true
+      "integrity": "sha512-+RqhBlLn6YRBGOIoVYthsG0J9dfpO79eJyN7BYBkZJtfqrBwf2KK+rD/M/yjZR6WBmIhAgOV7S60eCgaSWtbFw=="
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       "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.2.tgz",
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-      "dev": true,
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         "fastq": "^1.6.0"
@@ -566,6 +595,19 @@
         "normalize-package-data": "^2.5.0",
         "qqjs": "^0.3.10",
         "tslib": "^1.9.3"
+      },
+      "dependencies": {
+        "fs-extra": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+          "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        }
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     },
     "@oclif/errors": {
@@ -578,6 +620,43 @@
         "indent-string": "^3.2.0",
         "strip-ansi": "^5.0.0",
         "wrap-ansi": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+        },
+        "fs-extra": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+          "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        },
+        "wrap-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-4.0.0.tgz",
+          "integrity": "sha512-uMTsj9rDb0/7kk1PbcbCcwvHUxp60fGDB/NNXpVa0Q+ic/e7y5+BwTxKfQ33VYgDppSwi/FBzpetYzo8s6tfbg==",
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0"
+          },
+          "dependencies": {
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            }
+          }
+        }
       }
     },
     "@oclif/linewrap": {
@@ -586,9 +665,9 @@
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     "@oclif/parser": {
-      "version": "3.8.3",
-      "resolved": "https://registry.npmjs.org/@oclif/parser/-/parser-3.8.3.tgz",
-      "integrity": "sha512-zN+3oGuv9Lg8NjFvxZTDKFEmhAMfAvd/JWeQp3Ri8pDezoyJQi4OSHHLM8sdHjBh8sePewfWI7+fDUXdrVbrqg==",
+      "version": "3.8.4",
+      "resolved": "https://registry.npmjs.org/@oclif/parser/-/parser-3.8.4.tgz",
+      "integrity": "sha512-cyP1at3l42kQHZtqDS3KfTeyMvxITGwXwH1qk9ktBYvqgMp5h4vHT+cOD74ld3RqJUOZY/+Zi9lb4Tbza3BtuA==",
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@@ -610,6 +689,11 @@
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       },
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+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+        },
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           "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
@@ -619,6 +703,35 @@
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           }
+        },
+        "wrap-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-4.0.0.tgz",
+          "integrity": "sha512-uMTsj9rDb0/7kk1PbcbCcwvHUxp60fGDB/NNXpVa0Q+ic/e7y5+BwTxKfQ33VYgDppSwi/FBzpetYzo8s6tfbg==",
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0"
+          },
+          "dependencies": {
+            "string-width": {
+              "version": "2.1.1",
+              "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+              "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+              "requires": {
+                "is-fullwidth-code-point": "^2.0.0",
+                "strip-ansi": "^4.0.0"
+              }
+            },
+            "strip-ansi": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+              "requires": {
+                "ansi-regex": "^3.0.0"
+              }
+            }
+          }
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@@ -665,6 +778,18 @@
             "supports-hyperlinks": "^1.0.1",
             "treeify": "^1.1.0",
             "tslib": "^1.9.3"
+          },
+          "dependencies": {
+            "fs-extra": {
+              "version": "7.0.1",
+              "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+              "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+              "requires": {
+                "graceful-fs": "^4.1.2",
+                "jsonfile": "^4.0.0",
+                "universalify": "^0.1.0"
+              }
+            }
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@@ -688,6 +813,16 @@
         "yarn": "^1.15.0"
       },
       "dependencies": {
+        "fs-extra": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-7.0.1.tgz",
+          "integrity": "sha512-YJDaCJZEnBmcbw13fvdAM9AwNOJwOzrE4pqMqBq5nFiEqXUqHwlK4B+3pUw6JNvfSPtX05xFHtYy/1ni01eGCw==",
+          "requires": {
+            "graceful-fs": "^4.1.2",
+            "jsonfile": "^4.0.0",
+            "universalify": "^0.1.0"
+          }
+        },
         "load-json-file": {
           "version": "5.3.0",
           "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-5.3.0.tgz",
@@ -712,6 +847,14 @@
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     },
+    "@oclif/test": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/@oclif/test/-/test-1.2.5.tgz",
+      "integrity": "sha512-8Y+Ix4A3Zhm87aL0ldVonDK7vFWyLfnFHzP3goYaLyIeh/60KL37lMxfmbp/kBN6/Y0Ru17iR1pdDi/hTDClLQ==",
+      "requires": {
+        "fancy-test": "^1.4.3"
+      }
+    },
     "@octokit/endpoint": {
       "version": "5.3.2",
       "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-5.3.2.tgz",
@@ -766,11 +909,24 @@
         "url-template": "^2.0.8"
       }
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+    "@samverschueren/stream-to-observable": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/@samverschueren/stream-to-observable/-/stream-to-observable-0.3.0.tgz",
+      "integrity": "sha512-MI4Xx6LHs4Webyvi6EbspgyAb4D2Q2VtnCQ1blOJcoLS6mVa8lNN2rkIy1CVxfTUpoyIbCTkXES1rLXztFD1lg==",
+      "requires": {
+        "any-observable": "^0.3.0"
+      }
+    },
     "@sindresorhus/is": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/@sindresorhus/is/-/is-0.7.0.tgz",
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     },
+    "@types/chai": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.0.tgz",
+      "integrity": "sha512-zw8UvoBEImn392tLjxoavuonblX/4Yb9ha4KBU10FirCfwgzhKO0dvyJSF9ByxV1xK1r2AgnAi/tvQaLgxQqxA=="
+    },
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       "resolved": "https://registry.npmjs.org/@types/decompress/-/decompress-4.2.3.tgz",
@@ -792,14 +948,12 @@
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-      "dev": true
+      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g=="
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@@ -820,11 +974,15 @@
       "integrity": "sha1-7ihweulOEdK4J7y+UnC86n8+ce4=",
       "dev": true
     },
+    "@types/lodash": {
+      "version": "4.14.136",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.136.tgz",
+      "integrity": "sha512-0GJhzBdvsW2RUccNHOBkabI8HZVdOXmXbXhuKlDEd5Vv12P7oAVGfomGp3Ne21o5D/qu1WmthlNKFaoZJJeErA=="
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
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-      "dev": true
+      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
     },
     "@types/mkdirp": {
       "version": "0.5.2",
@@ -834,6 +992,19 @@
         "@types/node": "*"
       }
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+    "@types/mocha": {
+      "version": "5.2.7",
+      "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-5.2.7.tgz",
+      "integrity": "sha512-NYrtPht0wGzhwe9+/idPaBB+TqkY9AhTvOLMkThm0IoEfLaiVQZwBwyJ5puCkO3AUCWrmcoePjp2mbFocKy4SQ=="
+    },
+    "@types/nock": {
+      "version": "10.0.3",
+      "resolved": "https://registry.npmjs.org/@types/nock/-/nock-10.0.3.tgz",
+      "integrity": "sha512-OthuN+2FuzfZO3yONJ/QVjKmLEuRagS9TV9lEId+WHL9KhftYG+/2z+pxlr0UgVVXSpVD8woie/3fzQn8ft/Ow==",
+      "requires": {
+        "@types/node": "*"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/@types/node/-/node-12.6.8.tgz",
@@ -857,6 +1028,11 @@
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+    "@types/sinon": {
+      "version": "7.0.13",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-7.0.13.tgz",
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@@ -959,6 +1135,11 @@
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+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.3.tgz",
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@@ -997,6 +1178,11 @@
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       "integrity": "sha1-ZlWX3oap/+Oqm/vmyuXG6kJrSXk="
     },
+    "any-observable": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/any-observable/-/any-observable-0.3.0.tgz",
+      "integrity": "sha512-/FQM1EDkTsf63Ub2C6O7GuYFDsSXUwsaZDurV0np41ocwq0jthUAYCmhBX9f+KwlaCgIuWyr/4WlUQUBfKfZog=="
+    },
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       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
@@ -1104,7 +1290,6 @@
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@@ -1172,8 +1357,7 @@
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-      "dev": true
+      "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw=="
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@@ -1218,6 +1402,11 @@
       "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
       "dev": true
     },
+    "assertion-error": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw=="
+    },
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       "resolved": "https://registry.npmjs.org/assign-symbols/-/assign-symbols-1.0.0.tgz",
@@ -1402,6 +1591,26 @@
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+        "chokidar": {
+          "version": "2.1.6",
+          "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.6.tgz",
+          "integrity": "sha512-V2jUo67OKkc6ySiRpJrjlpJKl9kDuG+Xb8VgsGzb+aEouhgS1D0weyPU4lEzdAcsCAvrih2J2BqyXqHWvVLw5g==",
+          "dev": true,
+          "requires": {
+            "anymatch": "^2.0.0",
+            "async-each": "^1.0.1",
+            "braces": "^2.3.2",
+            "fsevents": "^1.2.7",
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@@ -10853,6 +12417,16 @@
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@@ -11394,6 +12972,11 @@
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@@ -11837,11 +13420,15 @@
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+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
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@@ -11868,26 +13487,54 @@
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-        "string-width": "^2.1.1",
-        "strip-ansi": "^4.0.0"
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
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+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.0.0.tgz",
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-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
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-          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+        "string-width": {
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.1.0.tgz",
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           "requires": {
-            "ansi-regex": "^3.0.0"
+            "emoji-regex": "^8.0.0",
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@@ -11984,6 +13631,11 @@
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     },
+    "y18n": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w=="
+    },
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       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
@@ -12023,6 +13675,56 @@
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+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
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+      "requires": {
+        "flat": "^4.1.0",
+        "lodash": "^4.17.11",
+        "yargs": "^12.0.5"
+      },
+      "dependencies": {
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+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
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+          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE="
+        },
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+          "version": "12.0.5",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
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+            "decamelize": "^1.2.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^1.0.1",
+            "os-locale": "^3.0.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^1.0.1",
+            "set-blocking": "^2.0.0",
+            "string-width": "^2.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^3.2.1 || ^4.0.0",
+            "yargs-parser": "^11.1.1"
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+        "yargs-parser": {
+          "version": "11.1.1",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
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+          "requires": {
+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
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diff --git a/package.json b/package.json
index 081ab6706fb..e3f0c12e7da 100644
--- a/package.json
+++ b/package.json
@@ -60,51 +60,86 @@
   },
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-    "@oclif/command": "^1.5.14",
+    "@netlify/rules-proxy": "^0.1.4",
+    "@netlify/zip-it-and-ship-it": "^0.3.1",
+    "@oclif/command": "^1.5.18",
+    "@oclif/config": "^1.13.2",
     "@oclif/errors": "^1.1.2",
     "@oclif/plugin-help": "^2.2.0",
     "@oclif/plugin-not-found": "^1.1.4",
     "@oclif/plugin-plugins": "^1.7.8",
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     "@octokit/rest": "^16.28.1",
     "ansi-styles": "^3.2.1",
     "ascii-table": "0.0.9",
+    "body-parser": "^1.19.0",
+    "boxen": "^4.1.0",
+    "chai": "^4.2.0",
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     "clean-deep": "^3.0.2",
     "cli-spinners": "^1.3.1",
     "cli-ux": "^5.2.1",
     "concordance": "^4.0.0",
+    "copy-template-dir": "^1.4.0",
+    "debug": "^4.1.1",
     "envinfo": "^7.3.1",
+    "eslint-config-oclif": "^3.1.0",
+    "execa": "^2.0.3",
+    "express": "^4.17.1",
+    "express-logging": "^1.1.1",
     "find-up": "^3.0.0",
+    "fs-extra": "^8.1.0",
+    "fuzzy": "^0.1.3",
     "get-port": "^5.0.0",
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     "git-remote-origin-url": "^2.0.0",
     "git-repo-info": "^2.1.0",
-    "inquirer": "^6.3.1",
+    "globby": "^10.0.1",
+    "http-proxy": "^1.17.0",
+    "husky": "^3.0.3",
+    "inquirer": "^6.5.1",
+    "inquirer-autocomplete-prompt": "^1.0.1",
     "is-docker": "^1.1.0",
+    "jwt-decode": "^2.2.0",
+    "lint-staged": "^9.2.1",
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     "lodash.isequal": "^4.5.0",
     "lodash.sample": "^4.2.1",
     "log-symbols": "^2.2.0",
+    "mocha": "^6.2.0",
     "netlify": "^2.4.8",
+    "netlify-cli-logo": "^1.0.0",
     "netlify-dev-plugin": "^1.0.28",
+    "nock": "^10.0.6",
     "node-fetch": "^2.6.0",
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     "open": "^6.4.0",
     "ora": "^3.4.0",
     "p-wait-for": "^2.0.0",
     "parse-github-url": "^1.0.2",
     "parse-gitignore": "^1.0.1",
+    "precinct": "^6.1.2",
     "prettyjson": "^1.2.1",
     "random-item": "^1.0.0",
-    "update-notifier": "^2.5.0"
+    "read-pkg-up": "^6.0.0",
+    "require-package-name": "^2.0.1",
+    "resolve": "^1.12.0",
+    "safe-join": "^0.1.3",
+    "static-server": "^2.2.1",
+    "update-notifier": "^2.5.0",
+    "wait-port": "^0.2.2",
+    "wrap-ansi": "^6.0.0"
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   "devDependencies": {
-    "@oclif/dev-cli": "^1.22.0",
-    "auto-changelog": "^1.13.0",
+    "@oclif/dev-cli": "^1.22.2",
+    "auto-changelog": "^1.14.1",
     "ava": "^1.4.1",
     "body": "^5.1.0",
     "coveralls": "^3.0.4",
-    "dependency-check": "^3.3.0",
+    "dependency-check": "^3.4.1",
     "dependency-cruiser": "^4.22.0",
     "eslint": "^5.16.0",
     "eslint-config-prettier": "^4.3.0",
@@ -115,9 +150,9 @@
     "gh-release": "^3.5.0",
     "markdown-magic": "^0.1.25",
     "mkdirp": "^0.5.1",
-    "npm-run-all": "^4.1.3",
+    "npm-run-all": "^4.1.5",
     "nyc": "^13.3.0",
-    "prettier": "^1.16.4",
+    "prettier": "^1.18.2",
     "strip-ansi": "^5.2.0"
   },
   "ava": {
diff --git a/src/commands/dev/exec.js b/src/commands/dev/exec.js
new file mode 100644
index 00000000000..6b64bc75e25
--- /dev/null
+++ b/src/commands/dev/exec.js
@@ -0,0 +1,46 @@
+const execa = require("execa");
+const Command = require("@netlify/cli-utils");
+const { track } = require("@netlify/cli-utils/src/utils/telemetry");
+const {
+  // NETLIFYDEV,
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+
+class ExecCommand extends Command {
+  async run() {
+    const { site, api } = this.netlify;
+    if (site.id) {
+      this.log(
+        `${NETLIFYDEVLOG} Checking your site's environment variables...`
+      ); // just to show some visual response first
+      const accessToken = api.accessToken;
+      const { addEnvVariables } = require("../../utils/dev");
+      await addEnvVariables(api, site, accessToken);
+    } else {
+      this.log(
+        `${NETLIFYDEVERR} No Site ID detected. You probably forgot to run \`netlify link\` or \`netlify init\`. `
+      );
+    }
+    execa(this.argv[0], this.argv.slice(1), {
+      env: process.env,
+      stdio: "inherit"
+    });
+    // Todo hoist this telemetry `command` to CLI hook
+    track("command", {
+      command: "dev:exec"
+    });
+  }
+}
+
+ExecCommand.description = `Exec command
+Runs a command within the netlify dev environment, e.g. with env variables from any installed addons
+`;
+
+ExecCommand.examples = ["$ netlify exec npm run bootstrap"];
+
+ExecCommand.strict = false;
+ExecCommand.parse = false;
+
+module.exports = ExecCommand;
diff --git a/src/commands/dev/index.js b/src/commands/dev/index.js
new file mode 100644
index 00000000000..eb264a18323
--- /dev/null
+++ b/src/commands/dev/index.js
@@ -0,0 +1,348 @@
+const { flags } = require("@oclif/command");
+const execa = require("execa");
+const http = require("http");
+const httpProxy = require("http-proxy");
+const waitPort = require("wait-port");
+const getPort = require("get-port");
+const chokidar = require("chokidar");
+const { serveFunctions } = require("../../utils/serve-functions");
+const { serverSettings } = require("../../utils/detect-server");
+const { detectFunctionsBuilder } = require("../../utils/detect-functions-builder");
+const Command = require("@netlify/cli-utils");
+const { track } = require("@netlify/cli-utils/src/utils/telemetry");
+const chalk = require("chalk");
+const {
+  NETLIFYDEV,
+  NETLIFYDEVLOG,
+  NETLIFYDEVWARN
+  // NETLIFYDEVERR
+} = require("netlify-cli-logo");
+const boxen = require("boxen");
+const { createTunnel, connectTunnel } = require("../../utils/live-tunnel");
+
+function isFunction(settings, req) {
+  return settings.functionsPort && req.url.match(/^\/.netlify\/functions\/.+/);
+}
+
+function addonUrl(addonUrls, req) {
+  const m = req.url.match(/^\/.netlify\/([^\/]+)(\/.*)/); // eslint-disable-line no-useless-escape
+  const addonUrl = m && addonUrls[m[1]];
+  return addonUrl ? `${addonUrl}${m[2]}` : null;
+}
+
+// Used as an optimization to avoid dual lookups for missing assets
+const assetExtensionRegExp = /\.(html?|png|jpg|js|css|svg|gif|ico|woff|woff2)$/;
+
+function alternativePathsFor(url) {
+  const paths = [];
+  if (url[url.length - 1] === "/") {
+    const end = url.length - 1;
+    if (url !== "/") {
+      paths.push(url.slice(0, end) + ".html");
+      paths.push(url.slice(0, end) + ".htm");
+    }
+    paths.push(url + "index.html");
+    paths.push(url + "index.htm");
+  } else if (!url.match(assetExtensionRegExp)) {
+    paths.push(url + ".html");
+    paths.push(url + ".htm");
+    paths.push(url + "/index.html");
+    paths.push(url + "/index.htm");
+  }
+
+  return paths;
+}
+
+function initializeProxy(port) {
+  const proxy = httpProxy.createProxyServer({
+    selfHandleResponse: true,
+    target: {
+      host: "localhost",
+      port: port
+    }
+  });
+
+  proxy.on("proxyRes", (proxyRes, req, res) => {
+    if (
+      proxyRes.statusCode === 404 &&
+      req.alternativePaths &&
+      req.alternativePaths.length > 0
+    ) {
+      req.url = req.alternativePaths.shift();
+      return proxy.web(req, res, req.proxyOptions);
+    }
+    res.writeHead(proxyRes.statusCode, proxyRes.headers);
+    proxyRes.on("data", function(data) {
+      res.write(data);
+    });
+    proxyRes.on("end", function() {
+      res.end();
+    });
+  });
+
+  return {
+    web: (req, res, options) => {
+      req.proxyOptions = options;
+      req.alternativePaths = alternativePathsFor(req.url);
+      req.headers['x-forwarded-for'] = req.connection.remoteAddress;
+      return proxy.web(req, res, options);
+    },
+    ws: (req, socket, head) => proxy.ws(req, socket, head)
+  };
+}
+
+async function startProxy(settings, addonUrls) {
+  const rulesProxy = require("@netlify/rules-proxy");
+
+  await waitPort({ port: settings.proxyPort });
+  if (settings.functionsPort) {
+    await waitPort({ port: settings.functionsPort });
+  }
+  const port = await getPort({ port: settings.port || 8888 });
+  const functionsServer = settings.functionsPort
+    ? `http://localhost:${settings.functionsPort}`
+    : null;
+
+  const proxy = initializeProxy(settings.proxyPort);
+
+  const rewriter = rulesProxy({ publicFolder: settings.dist });
+
+  const server = http.createServer(function(req, res) {
+    if (isFunction(settings, req)) {
+      return proxy.web(req, res, { target: functionsServer });
+    }
+    let url = addonUrl(addonUrls, req);
+    if (url) {
+      return proxy.web(req, res, { target: url });
+    }
+
+    rewriter(req, res, () => {
+      if (isFunction(settings, req)) {
+        return proxy.web(req, res, { target: functionsServer });
+      }
+      url = addonUrl(addonUrls, req);
+      if (url) {
+        return proxy.web(req, res, { target: url });
+      }
+
+      proxy.web(req, res, { target: `http://localhost:${settings.proxyPort}` });
+    });
+  });
+
+  server.on("upgrade", function(req, socket, head) {
+    proxy.ws(req, socket, head);
+  });
+
+  server.listen(port);
+  return { url: `http://localhost:${port}`, port };
+}
+
+function startDevServer(settings, log) {
+  if (settings.noCmd) {
+    const StaticServer = require("static-server");
+
+    const server = new StaticServer({
+      rootPath: settings.dist,
+      name: "netlify-dev",
+      port: settings.proxyPort,
+      templates: {
+        notFound: "404.html"
+      }
+    });
+
+    server.start(function() {
+      log(`\n${NETLIFYDEVLOG} Server listening to`, settings.proxyPort);
+    });
+    return;
+  }
+  log(`${NETLIFYDEVLOG} Starting Netlify Dev with ${settings.type}`);
+  const args =
+    settings.command === "npm" ? ["run", ...settings.args] : settings.args;
+  const ps = execa(settings.command, args, {
+    env: { ...settings.env, FORCE_COLOR: "true" },
+    stdio: ["inherit", "pipe", "pipe"]
+  });
+  ps.stdout.on("data", function(buffer) {
+    process.stdout.write(buffer.toString("utf8"));
+  });
+  ps.stderr.on("data", function(buffer) {
+    process.stderr.write(buffer.toString("utf8"));
+  });
+  ps.on("close", code => process.exit(code));
+  ps.on("SIGINT", process.exit);
+  ps.on("SIGTERM", process.exit);
+}
+
+class DevCommand extends Command {
+  async run() {
+    this.log(`${NETLIFYDEV}`);
+    let { flags } = this.parse(DevCommand);
+    const { api, site, config } = this.netlify;
+    const functionsDir =
+      flags.functions ||
+      (config.dev && config.dev.functions) ||
+      (config.build && config.build.functions);
+    let addonUrls = {};
+
+    let accessToken = api.accessToken;
+    if (site.id && !flags.offline) {
+      const { addEnvVariables } = require("../../utils/dev");
+      addonUrls = await addEnvVariables(api, site, accessToken);
+    }
+    process.env.NETLIFY_DEV = "true";
+
+    let settings = await serverSettings(Object.assign({}, config.dev, flags));
+
+    if (!(settings && settings.command)) {
+      this.log(
+        `${NETLIFYDEVWARN} No dev server detected, using simple static server`
+      );
+      let dist =
+        (config.dev && config.dev.publish) ||
+        (config.build && config.build.publish);
+      if (!dist) {
+        this.log(`${NETLIFYDEVLOG} Using current working directory`);
+        this.log(
+          `${NETLIFYDEVWARN} Unable to determine public folder to serve files from.`
+        );
+        this.log(
+          `${NETLIFYDEVWARN} Setup a netlify.toml file with a [dev] section to specify your dev server settings.`
+        );
+        this.log(
+          `${NETLIFYDEVWARN} See docs at: https://github.com/netlify/netlify-dev-plugin#project-detection`
+        );
+        this.log(
+          `${NETLIFYDEVWARN} Using current working directory for now...`
+        );
+        dist = process.cwd();
+      }
+      settings = {
+        noCmd: true,
+        port: 8888,
+        proxyPort: await getPort({ port: 3999 }),
+        dist
+      };
+    }
+
+    // Reset port if not manually specified, to make it dynamic
+    if (!(config.dev && config.dev.port) && !flags.port) {
+      settings = {
+        port: await getPort({ port: settings.port }),
+        ...settings
+      };
+    }
+
+    startDevServer(settings, this.log);
+
+    // serve functions from zip-it-and-ship-it
+    // env variables relies on `url`, careful moving this code
+    if (functionsDir) {
+      const functionBuilder = await detectFunctionsBuilder(settings);
+      if (functionBuilder) {
+        this.log(
+          `${NETLIFYDEVLOG} Function builder ${chalk.yellow(
+            functionBuilder.builderName
+          )} detected: Running npm script ${chalk.yellow(
+            functionBuilder.npmScript
+          )}`
+        );
+        this.warn(
+          `${NETLIFYDEVWARN} This is a beta feature, please give us feedback on how to improve at https://github.com/netlify/netlify-dev-plugin/`
+        );
+        await functionBuilder.build();
+        const functionWatcher = chokidar.watch(functionBuilder.src);
+        functionWatcher.on("add", functionBuilder.build);
+        functionWatcher.on("change", functionBuilder.build);
+        functionWatcher.on("unlink", functionBuilder.build);
+      }
+      const functionsPort = await getPort({ port: 34567 });
+
+      // returns a value but we dont use it
+      await serveFunctions({
+        ...settings,
+        port: functionsPort,
+        functionsDir
+      });
+      settings.functionsPort = functionsPort;
+    }
+
+    let { url, port } = await startProxy(settings, addonUrls);
+    if (!url) {
+      url = proxyUrl;
+    }
+
+    if (flags.live) {
+      await waitPort({ port });
+      const liveSession = await createTunnel(site.id, accessToken, this.log);
+      url = liveSession.session_url;
+      process.env.BASE_URL = url;
+
+      await connectTunnel(liveSession, accessToken, port, this.log);
+    }
+
+    // Todo hoist this telemetry `command` to CLI hook
+    track("command", {
+      command: "dev",
+      projectType: settings.type || "custom",
+      live: flags.live || false
+    });
+
+    // boxen doesnt support text wrapping yet https://github.com/sindresorhus/boxen/issues/16
+    const banner = require("wrap-ansi")(
+      chalk.bold(`${NETLIFYDEVLOG} Server now ready on ${url}`),
+      70
+    );
+    process.env.URL = url;
+    process.env.DEPLOY_URL = process.env.URL;
+
+    this.log(
+      boxen(banner, {
+        padding: 1,
+        margin: 1,
+        align: "center",
+        borderColor: "#00c7b7"
+      })
+    );
+  }
+}
+
+DevCommand.description = `Local dev server
+The dev command will run a local dev server with Netlify's proxy and redirect rules
+`;
+
+DevCommand.examples = [
+  "$ netlify dev",
+  '$ netlify dev -c "yarn start"',
+  "$ netlify dev -c hugo"
+];
+
+DevCommand.strict = false;
+
+DevCommand.flags = {
+  command: flags.string({
+    char: "c",
+    description: "command to run"
+  }),
+  port: flags.integer({
+    char: "p",
+    description: "port of netlify dev"
+  }),
+  dir: flags.string({
+    char: "d",
+    description: "dir with static files"
+  }),
+  functions: flags.string({
+    char: "f",
+    description: "Specify a functions folder to serve"
+  }),
+  offline: flags.boolean({
+    char: "o",
+    description: "disables any features that require network access"
+  }),
+  live: flags.boolean({
+    char: "l",
+    description: "Start a public live session"
+  })
+};
+
+module.exports = DevCommand;
diff --git a/src/commands/functions/build.js b/src/commands/functions/build.js
new file mode 100644
index 00000000000..25557c44904
--- /dev/null
+++ b/src/commands/functions/build.js
@@ -0,0 +1,61 @@
+const fs = require("fs");
+const { flags } = require("@oclif/command");
+const Command = require("@netlify/cli-utils");
+const { zipFunctions } = require("@netlify/zip-it-and-ship-it");
+const {
+  // NETLIFYDEV,
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+
+class FunctionsBuildCommand extends Command {
+  async run() {
+    const { flags } = this.parse(FunctionsBuildCommand);
+    const { config } = this.netlify;
+
+    const src = flags.src || config.build.functionsSource;
+    const dst = flags.functions || config.build.functions;
+
+    if (src === dst) {
+      this.log(
+        `${NETLIFYDEVERR} Source and destination for function build can't be the same`
+      );
+      process.exit(1);
+    }
+
+    if (!src || !dst) {
+      if (!src)
+        this.log(
+          `${NETLIFYDEVERR} Error: You must specify a source folder with a --src flag or a functionsSource field in your config`
+        );
+      if (!dst)
+        this.log(
+          `${NETLIFYDEVERR} Error: You must specify a destination functions folder with a --functions flag or a functions field in your config`
+        );
+      process.exit(1);
+    }
+
+    fs.mkdirSync(dst, { recursive: true });
+
+    this.log(`${NETLIFYDEVLOG} Building functions`);
+    zipFunctions(src, dst, { skipGo: true });
+    this.log(`${NETLIFYDEVLOG} Functions built to `, dst);
+  }
+}
+
+FunctionsBuildCommand.description = `build functions locally
+`;
+FunctionsBuildCommand.aliases = ["function:build"];
+FunctionsBuildCommand.flags = {
+  functions: flags.string({
+    char: "f",
+    description: "Specify a functions folder to build to"
+  }),
+  src: flags.string({
+    char: "s",
+    description: "Specify the source folder for the functions"
+  })
+};
+
+module.exports = FunctionsBuildCommand;
diff --git a/src/commands/functions/create.js b/src/commands/functions/create.js
new file mode 100644
index 00000000000..096e62c798b
--- /dev/null
+++ b/src/commands/functions/create.js
@@ -0,0 +1,458 @@
+const fs = require("fs-extra");
+const path = require("path");
+const copy = require("copy-template-dir");
+const { flags } = require("@oclif/command");
+const Command = require("@netlify/cli-utils");
+const inquirer = require("inquirer");
+const { readRepoURL, validateRepoURL } = require("../../utils/read-repo-url");
+const { addEnvVariables } = require("../../utils/dev");
+const { createSiteAddon } = require("../../utils/addons");
+const fetch = require("node-fetch");
+const cp = require("child_process");
+const ora = require("ora");
+const { track } = require("@netlify/cli-utils/src/utils/telemetry");
+const chalk = require("chalk");
+const {
+  // NETLIFYDEV,
+  NETLIFYDEVLOG,
+  NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+
+const templatesDir = path.resolve(__dirname, "../../functions-templates");
+
+/**
+ * Be very clear what is the SOURCE (templates dir) vs the DEST (functions dir)
+ */
+class FunctionsCreateCommand extends Command {
+  async run() {
+    const { flags, args } = this.parse(FunctionsCreateCommand);
+    const { config } = this.netlify;
+    const functionsDir = ensureFunctionDirExists.call(this, flags, config);
+
+    /* either download from URL or scaffold from template */
+    if (flags.url) {
+      await downloadFromURL.call(this, flags, args, functionsDir);
+    } else {
+      await scaffoldFromTemplate.call(this, flags, args, functionsDir);
+    }
+    track("command", {
+      command: "functions:create",
+      url: flags.url
+    });
+  }
+}
+
+FunctionsCreateCommand.args = [
+  {
+    name: "name",
+    description: "name of your new function file inside your functions folder"
+  }
+];
+
+FunctionsCreateCommand.description = `create a new function locally`;
+
+FunctionsCreateCommand.examples = [
+  "netlify functions:create",
+  "netlify functions:create hello-world",
+  "netlify functions:create --name hello-world"
+];
+FunctionsCreateCommand.aliases = ["function:create"];
+FunctionsCreateCommand.flags = {
+  name: flags.string({ char: "n", description: "function name" }),
+  url: flags.string({ char: "u", description: "pull template from URL" })
+};
+module.exports = FunctionsCreateCommand;
+
+/**
+ * all subsections of code called from the main logic flow above
+ */
+
+// prompt for a name if name not supplied
+async function getNameFromArgs(args, flags, defaultName) {
+  if (flags.name && args.name)
+    throw new Error(
+      "function name specified in both flag and arg format, pick one"
+    );
+  let name;
+  if (flags.name && !args.name) name = flags.name;
+  // use flag if exists
+  else if (!flags.name && args.name) name = args.name;
+
+  // if neither are specified, prompt for it
+  if (!name) {
+    let responses = await inquirer.prompt([
+      {
+        name: "name",
+        message: "name your function: ",
+        default: defaultName,
+        type: "input",
+        validate: val => Boolean(val) && /^[\w\-.]+$/i.test(val)
+        // make sure it is not undefined and is a valid filename.
+        // this has some nuance i have ignored, eg crossenv and i18n concerns
+      }
+    ]);
+    name = responses.name;
+  }
+  return name;
+}
+
+// pick template from our existing templates
+async function pickTemplate() {
+  // lazy loading on purpose
+  inquirer.registerPrompt(
+    "autocomplete",
+    require("inquirer-autocomplete-prompt")
+  );
+  const fuzzy = require("fuzzy");
+  // doesnt scale but will be ok for now
+  const [
+    jsreg
+    // tsreg, goreg
+  ] = [
+    "js"
+    // 'ts', 'go'
+  ].map(formatRegistryArrayForInquirer);
+  const specialCommands = [
+    new inquirer.Separator(`----[Special Commands]----`),
+    {
+      name: `*** Clone template from Github URL ***`,
+      value: "url",
+      short: "gh-url"
+    },
+    {
+      name: `*** Report issue with, or suggest a new template ***`,
+      value: "report",
+      short: "gh-report"
+    }
+  ];
+  const { chosentemplate } = await inquirer.prompt({
+    name: "chosentemplate",
+    message: "Pick a template",
+    type: "autocomplete",
+    // suggestOnly: true, // we can explore this for entering URL in future
+    source: async function(answersSoFar, input) {
+      if (!input || input === "") {
+        // show separators
+        return [
+          new inquirer.Separator(`----[JS]----`),
+          ...jsreg,
+          // new inquirer.Separator(`----[TS]----`),
+          // ...tsreg,
+          // new inquirer.Separator(`----[GO]----`),
+          // ...goreg
+          ...specialCommands
+        ];
+      }
+      // only show filtered results sorted by score
+      let ans = [
+        ...filterRegistry(jsreg, input),
+        // ...filterRegistry(tsreg, input),
+        // ...filterRegistry(goreg, input)
+        ...specialCommands
+      ].sort((a, b) => b.score - a.score);
+      return ans;
+    }
+  });
+  return chosentemplate;
+  function filterRegistry(registry, input) {
+    const temp = registry.map(x => x.name + x.description);
+    const filteredTemplates = fuzzy.filter(input, temp);
+    const filteredTemplateNames = filteredTemplates.map(x =>
+      input ? x.string : x
+    );
+    return registry
+      .filter(t => filteredTemplateNames.includes(t.name + t.description))
+      .map(t => {
+        // add the score
+        const { score } = filteredTemplates.find(
+          f => f.string === t.name + t.description
+        );
+        t.score = score;
+        return t;
+      });
+  }
+  function formatRegistryArrayForInquirer(lang) {
+    const folderNames = fs.readdirSync(path.join(templatesDir, lang));
+    const registry = folderNames
+      .filter(x => !x.endsWith(".md")) // filter out markdown files
+      .map(name =>
+        require(path.join(
+          templatesDir,
+          lang,
+          name,
+          ".netlify-function-template.js"
+        ))
+      )
+      .sort((a, b) => (a.priority || 999) - (b.priority || 999))
+      .map(t => {
+        t.lang = lang;
+        return {
+          // confusing but this is the format inquirer wants
+          name: `[${t.name}] ` + t.description,
+          value: t,
+          short: lang + "-" + t.name
+        };
+      });
+    return registry;
+  }
+}
+
+/* get functions dir (and make it if necessary) */
+function ensureFunctionDirExists(flags, config) {
+  const functionsDir = config.build && config.build.functions;
+  if (!functionsDir) {
+    this.log(`${NETLIFYDEVLOG} No functions folder specified in netlify.toml`);
+    process.exit(1);
+  }
+  if (!fs.existsSync(functionsDir)) {
+    this.log(
+      `${NETLIFYDEVLOG} functions folder ${chalk.magenta.inverse(
+        functionsDir
+      )} specified in netlify.toml but folder not found, creating it...`
+    );
+    fs.mkdirSync(functionsDir);
+    this.log(
+      `${NETLIFYDEVLOG} functions folder ${chalk.magenta.inverse(
+        functionsDir
+      )} created`
+    );
+  }
+  return functionsDir;
+}
+
+// Download files from a given github URL
+async function downloadFromURL(flags, args, functionsDir) {
+  const folderContents = await readRepoURL(flags.url);
+  const functionName = flags.url.split("/").slice(-1)[0];
+  const nameToUse = await getNameFromArgs(args, flags, functionName);
+  const fnFolder = path.join(functionsDir, nameToUse);
+  if (
+    fs.existsSync(fnFolder + ".js") &&
+    fs.lstatSync(fnFolder + ".js").isFile()
+  ) {
+    this.log(
+      `${NETLIFYDEVWARN}: A single file version of the function ${nameToUse} already exists at ${fnFolder}.js. Terminating without further action.`
+    );
+    process.exit(1);
+  }
+
+  try {
+    fs.mkdirSync(fnFolder, { recursive: true });
+  } catch (error) {
+    // Ignore
+  }
+  await Promise.all(
+    folderContents.map(({ name, download_url }) => {
+      return fetch(download_url)
+        .then(res => {
+          const finalName =
+            path.basename(name, ".js") === functionName
+              ? nameToUse + ".js"
+              : name;
+          const dest = fs.createWriteStream(path.join(fnFolder, finalName));
+          res.body.pipe(dest);
+        })
+        .catch(error => {
+          throw new Error(
+            "Error while retrieving " + download_url + ` ${error}`
+          );
+        });
+    })
+  );
+
+  this.log(`${NETLIFYDEVLOG} Installing dependencies for ${nameToUse}...`);
+  cp.exec("npm i", { cwd: path.join(functionsDir, nameToUse) }, () => {
+    this.log(
+      `${NETLIFYDEVLOG} Installing dependencies for ${nameToUse} complete `
+    );
+  });
+
+  // read, execute, and delete function template file if exists
+  const fnTemplateFile = path.join(fnFolder, ".netlify-function-template.js");
+  if (fs.existsSync(fnTemplateFile)) {
+    const { onComplete, addons = [] } = require(fnTemplateFile);
+
+    await installAddons.call(this, addons, path.resolve(fnFolder));
+    if (onComplete) {
+      await addEnvVariables(
+        this.netlify.api,
+        this.netlify.site,
+        this.netlify.api.accessToken
+      );
+      await onComplete.call(this);
+    }
+    fs.unlinkSync(fnTemplateFile); // delete
+  }
+}
+
+async function installDeps(functionPath) {
+  return new Promise(resolve => {
+    cp.exec("npm i", { cwd: path.join(functionPath) }, () => {
+      resolve();
+    });
+  });
+}
+
+// no --url flag specified, pick from a provided template
+async function scaffoldFromTemplate(flags, args, functionsDir) {
+  const chosentemplate = await pickTemplate.call(this); // pull the rest of the metadata from the template
+  if (chosentemplate === "url") {
+    const { chosenurl } = await inquirer.prompt([
+      {
+        name: "chosenurl",
+        message: "URL to clone: ",
+        type: "input",
+        validate: val => Boolean(validateRepoURL(val))
+        // make sure it is not undefined and is a valid filename.
+        // this has some nuance i have ignored, eg crossenv and i18n concerns
+      }
+    ]);
+    flags.url = chosenurl.trim();
+    try {
+      await downloadFromURL.call(this, flags, args, functionsDir);
+    } catch (error) {
+      this.error(`$${NETLIFYDEVERR} Error downloading from URL: ` + flags.url);
+      this.error(error);
+      process.exit(1);
+    }
+  } else if (chosentemplate === "report") {
+    this.log(
+      `${NETLIFYDEVLOG} Open in browser: https://github.com/netlify/netlify-dev-plugin/issues/new`
+    );
+  } else {
+    const {
+      onComplete,
+      name: templateName,
+      lang,
+      addons = []
+    } = chosentemplate;
+
+    const pathToTemplate = path.join(templatesDir, lang, templateName);
+    if (!fs.existsSync(pathToTemplate)) {
+      throw new Error(
+        `there isnt a corresponding folder to the selected name, ${templateName} template is misconfigured`
+      );
+    }
+
+    const name = await getNameFromArgs(args, flags, templateName);
+    this.log(`${NETLIFYDEVLOG} Creating function ${chalk.cyan.inverse(name)}`);
+    const functionPath = ensureFunctionPathIsOk.call(
+      this,
+      functionsDir,
+      flags,
+      name
+    );
+
+    // // SWYX: note to future devs - useful for debugging source to output issues
+    // this.log('from ', pathToTemplate, ' to ', functionPath)
+    const vars = { NETLIFY_STUFF_TO_REPLACE: "REPLACEMENT" }; // SWYX: TODO
+    let hasPackageJSON = false;
+    copy(pathToTemplate, functionPath, vars, async (err, createdFiles) => {
+      if (err) throw err;
+      createdFiles.forEach(filePath => {
+        if (filePath.endsWith(".netlify-function-template.js")) return;
+        this.log(
+          `${NETLIFYDEVLOG} ${chalk.greenBright("Created")} ${filePath}`
+        );
+        require("fs").chmodSync(path.resolve(filePath), 0o777);
+        if (filePath.includes("package.json")) hasPackageJSON = true;
+      });
+      // delete function template file that was copied over by copydir
+      fs.unlinkSync(path.join(functionPath, ".netlify-function-template.js"));
+      // rename the root function file if it has a different name from default
+      if (name !== templateName) {
+        fs.renameSync(
+          path.join(functionPath, templateName + ".js"),
+          path.join(functionPath, name + ".js")
+        );
+      }
+      // npm install
+      if (hasPackageJSON) {
+        const spinner = ora({
+          text: `installing dependencies for ${name}`,
+          spinner: "moon"
+        }).start();
+        await installDeps(functionPath);
+        spinner.succeed(`installed dependencies for ${name}`);
+      }
+
+      installAddons.call(this, addons, path.resolve(functionPath));
+      if (onComplete) {
+        await addEnvVariables(
+          this.netlify.api,
+          this.netlify.site,
+          this.netlify.api.accessToken
+        );
+        await onComplete.call(this);
+      }
+    });
+  }
+}
+
+async function installAddons(addons = [], fnPath) {
+  if (addons.length > 0) {
+    const { api, site } = this.netlify;
+    const siteId = site.id;
+    if (!siteId) {
+      this.log(
+        "No site id found, please run inside a site folder or `netlify link`"
+      );
+      return false;
+    }
+    this.log(`${NETLIFYDEVLOG} checking Netlify APIs...`);
+
+    return api.getSite({ siteId }).then(async siteData => {
+      const accessToken = api.accessToken;
+      const arr = addons.map(({ addonName, addonDidInstall }) => {
+        this.log(
+          `${NETLIFYDEVLOG} installing addon: ` +
+            chalk.yellow.inverse(addonName)
+        );
+        // will prompt for configs if not supplied - we do not yet allow for addon configs supplied by `netlify functions:create` command and may never do so
+        return createSiteAddon(
+          accessToken,
+          addonName,
+          siteId,
+          siteData,
+          this.log
+        )
+          .then(async addonCreateMsg => {
+            if (addonCreateMsg) {
+              // spinner.success("installed addon: " + addonName);
+              if (addonDidInstall) {
+                const { addEnvVariables } = require("../../utils/dev");
+                await addEnvVariables(api, site, accessToken);
+                const { confirmPostInstall } = await inquirer.prompt([
+                  {
+                    type: "confirm",
+                    name: "confirmPostInstall",
+                    message: `This template has an optional setup script that runs after addon install. This can be helpful for first time users to try out templates. Run the script?`,
+                    default: false
+                  }
+                ]);
+                if (confirmPostInstall) addonDidInstall(fnPath);
+              }
+            }
+          })
+          .catch(error => {
+            this.error(`${NETLIFYDEVERR} Error installing addon: `, error);
+          });
+      });
+      return Promise.all(arr);
+    });
+  }
+}
+
+// we used to allow for a --dir command,
+// but have retired that to force every scaffolded function to be a folder
+function ensureFunctionPathIsOk(functionsDir, flags, name) {
+  const functionPath = path.join(functionsDir, name);
+  if (fs.existsSync(functionPath)) {
+    this.log(
+      `${NETLIFYDEVLOG} Function ${functionPath} already exists, cancelling...`
+    );
+    process.exit(1);
+  }
+  return functionPath;
+}
diff --git a/src/commands/functions/index.js b/src/commands/functions/index.js
new file mode 100644
index 00000000000..e26129dd53c
--- /dev/null
+++ b/src/commands/functions/index.js
@@ -0,0 +1,45 @@
+const chalk = require("chalk");
+const { Command } = require("@oclif/command");
+const { execSync } = require("child_process");
+
+function showHelp(command) {
+  execSync(`netlify ${command} --help`, { stdio: [0, 1, 2] });
+}
+
+function isEmptyCommand(flags, args) {
+  if (!hasFlags(flags) && !hasArgs(args)) {
+    return true;
+  }
+  return false;
+}
+
+function hasFlags(flags) {
+  return Object.keys(flags).length;
+}
+
+function hasArgs(args) {
+  return Object.keys(args).length;
+}
+
+class FunctionsCommand extends Command {
+  async run() {
+    const { flags, args } = this.parse(FunctionsCommand);
+    // run help command if no args passed
+    if (isEmptyCommand(flags, args)) {
+      showHelp(this.id);
+      this.exit();
+    }
+  }
+}
+
+const name = chalk.greenBright("`functions`");
+FunctionsCommand.aliases = ["function"];
+FunctionsCommand.description = `Manage netlify functions
+The ${name} command will help you manage the functions in this site
+`;
+FunctionsCommand.examples = [
+  "netlify functions:create --name function-xyz",
+  "netlify functions:build --name function-abc --timeout 30s"
+];
+
+module.exports = FunctionsCommand;
diff --git a/src/commands/functions/invoke.js b/src/commands/functions/invoke.js
new file mode 100644
index 00000000000..09d0e33ca36
--- /dev/null
+++ b/src/commands/functions/invoke.js
@@ -0,0 +1,274 @@
+const chalk = require("chalk");
+const Command = require("@netlify/cli-utils");
+const { flags } = require("@oclif/command");
+const inquirer = require("inquirer");
+const { serverSettings } = require("../../utils/detect-server");
+const fetch = require("node-fetch");
+const fs = require("fs");
+const path = require("path");
+
+const { getFunctions } = require("../../utils/get-functions");
+
+// https://www.netlify.com/docs/functions/#event-triggered-functions
+const eventTriggeredFunctions = [
+  "deploy-building",
+  "deploy-succeeded",
+  "deploy-failed",
+  "deploy-locked",
+  "deploy-unlocked",
+  "split-test-activated",
+  "split-test-deactivated",
+  "split-test-modified",
+  "submission-created",
+  "identity-validate",
+  "identity-signup",
+  "identity-login"
+];
+class FunctionsInvokeCommand extends Command {
+  async run() {
+    let { flags, args } = this.parse(FunctionsInvokeCommand);
+    const { api, site, config } = this.netlify;
+
+    const functionsDir =
+      flags.functions ||
+      (config.dev && config.dev.functions) ||
+      (config.build && config.build.functions);
+    if (typeof functionsDir === "undefined") {
+      this.error(
+        "functions directory is undefined, did you forget to set it in netlify.toml?"
+      );
+      process.exit(1);
+    }
+
+    let settings = await serverSettings(Object.assign({}, config.dev, flags));
+
+    if (!(settings && settings.command)) {
+      settings = {
+        noCmd: true,
+        port: 8888,
+        proxyPort: 3999
+      };
+    }
+
+    const functions = getFunctions(functionsDir);
+    const functionToTrigger = await getNameFromArgs(functions, args, flags);
+
+    let headers = {};
+    let body = {};
+
+    if (eventTriggeredFunctions.includes(functionToTrigger)) {
+      /** handle event triggered fns  */
+      // https://www.netlify.com/docs/functions/#event-triggered-functions
+      const parts = functionToTrigger.split("-");
+      if (parts[0] === "identity") {
+        // https://www.netlify.com/docs/functions/#identity-event-functions
+        body.event = parts[1];
+        body.user = {
+          email: "foo@trust-this-company.com",
+          user_metadata: {
+            TODO: "mock our netlify identity user data better"
+          }
+        };
+      } else {
+        // non identity functions seem to have a different shape
+        // https://www.netlify.com/docs/functions/#event-function-payloads
+        body.payload = {
+          TODO: "mock up payload data better"
+        };
+        body.site = {
+          TODO: "mock up site data better"
+        };
+      }
+    } else {
+      // NOT an event triggered function, but may still want to simulate authentication locally
+      let _isAuthed = false;
+      if (typeof flags.identity === "undefined") {
+        const { isAuthed } = await inquirer.prompt([
+          {
+            type: "confirm",
+            name: "isAuthed",
+            message: `Invoke with emulated Netlify Identity authentication headers? (pass --identity/--no-identity to override)`,
+            default: true
+          }
+        ]);
+        _isAuthed = isAuthed;
+      } else {
+        _isAuthed = flags.identity;
+      }
+      if (_isAuthed) {
+        headers = {
+          authorization:
+            "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzb3VyY2UiOiJuZXRsaWZ5IGZ1bmN0aW9uczp0cmlnZ2VyIiwidGVzdERhdGEiOiJORVRMSUZZX0RFVl9MT0NBTExZX0VNVUxBVEVEX0pXVCJ9.Xb6vOFrfLUZmyUkXBbCvU4bM7q8tPilF0F03Wupap_c"
+        };
+        // you can decode this https://jwt.io/
+        // {
+        //   "source": "netlify functions:trigger",
+        //   "testData": "NETLIFY_DEV_LOCALLY_EMULATED_JWT"
+        // }
+      }
+    }
+    const payload = processPayloadFromFlag(flags.payload);
+    body = Object.assign({}, body, payload);
+
+    // fetch
+    fetch(
+      `http://localhost:${
+        settings.port
+      }/.netlify/functions/${functionToTrigger}` +
+        formatQstring(flags.querystring),
+      {
+        method: "post",
+        headers,
+        body: JSON.stringify(body)
+      }
+    )
+      .then(response => {
+        let data;
+        data = response.text();
+        try {
+          // data = response.json();
+          data = JSON.parse(data);
+        } catch (err) {}
+        return data;
+      })
+      .then(console.log)
+      .catch(err => {
+        console.error("ran into an error invoking your function");
+        console.error(err);
+      });
+  }
+}
+
+function formatQstring(querystring) {
+  if (querystring) {
+    return "?" + querystring;
+  } else {
+    return "";
+  }
+}
+
+/** process payloads from flag */
+function processPayloadFromFlag(payloadString) {
+  if (payloadString) {
+    // case 1: jsonstring
+    let payload = tryParseJSON(payloadString);
+    if (!!payload) return payload;
+    // case 2: jsonpath
+    const payloadpath = path.join(process.cwd(), payloadString);
+    const pathexists = fs.existsSync(payloadpath);
+    if (!payload && pathexists) {
+      try {
+        payload = require(payloadpath); // there is code execution potential here
+        return payload;
+      } catch (err) {
+        console.error(err);
+        payload = false;
+      }
+    }
+    // case 3: invalid string, invalid path
+    return false;
+  }
+}
+
+// prompt for a name if name not supplied
+// also used in functions:create
+async function getNameFromArgs(functions, args, flags) {
+  // let functionToTrigger = flags.name;
+  // const isValidFn = Object.keys(functions).includes(functionToTrigger);
+  if (flags.name && args.name) {
+    console.error(
+      "function name specified in both flag and arg format, pick one"
+    );
+    process.exit(1);
+  }
+  let functionToTrigger;
+  if (flags.name && !args.name) functionToTrigger = flags.name;
+  // use flag if exists
+  else if (!flags.name && args.name) functionToTrigger = args.name;
+
+  const isValidFn = Object.keys(functions).includes(functionToTrigger);
+  if (!functionToTrigger || !isValidFn) {
+    if (!isValidFn) {
+      console.warn(
+        `Function name ${chalk.yellow(
+          functionToTrigger
+        )} supplied but no matching function found in your functions folder, forcing you to pick a valid one...`
+      );
+    }
+    const { trigger } = await inquirer.prompt([
+      {
+        type: "list",
+        message: "Pick a function to trigger",
+        name: "trigger",
+        choices: Object.keys(functions)
+      }
+    ]);
+    functionToTrigger = trigger;
+  }
+
+  return functionToTrigger;
+}
+
+FunctionsInvokeCommand.description = `trigger a function while in netlify dev with simulated data, good for testing function calls including Netlify's Event Triggered Functions`;
+FunctionsInvokeCommand.aliases = ["function:trigger"];
+
+FunctionsInvokeCommand.examples = [
+  "$ netlify functions:invoke",
+  "$ netlify functions:invoke myfunction",
+  "$ netlify functions:invoke --name myfunction",
+  "$ netlify functions:invoke --name myfunction --identity",
+  "$ netlify functions:invoke --name myfunction --no-identity",
+  '$ netlify functions:invoke myfunction --payload "{"foo": 1}"',
+  '$ netlify functions:invoke myfunction --querystring "foo=1',
+  '$ netlify functions:invoke myfunction --payload "./pathTo.json"'
+];
+FunctionsInvokeCommand.args = [
+  {
+    name: "name",
+    description: "function name to invoke"
+  }
+];
+
+FunctionsInvokeCommand.flags = {
+  name: flags.string({
+    char: "n",
+    description: "function name to invoke"
+  }),
+  functions: flags.string({
+    char: "f",
+    description: "Specify a functions folder to parse, overriding netlify.toml"
+  }),
+  querystring: flags.string({
+    char: "q",
+    description: "Querystring to add to your function invocation"
+  }),
+  payload: flags.string({
+    char: "p",
+    description:
+      "Supply POST payload in stringified json, or a path to a json file"
+  }),
+  identity: flags.boolean({
+    description:
+      "simulate Netlify Identity authentication JWT. pass --no-identity to affirm unauthenticated request",
+    allowNo: true
+  })
+};
+
+module.exports = FunctionsInvokeCommand;
+
+// https://stackoverflow.com/questions/3710204/how-to-check-if-a-string-is-a-valid-json-string-in-javascript-without-using-try
+function tryParseJSON(jsonString) {
+  try {
+    var o = JSON.parse(jsonString);
+
+    // Handle non-exception-throwing cases:
+    // Neither JSON.parse(false) or JSON.parse(1234) throw errors, hence the type-checking,
+    // but... JSON.parse(null) returns null, and typeof null === "object",
+    // so we must check for that, too. Thankfully, null is falsey, so this suffices:
+    if (o && typeof o === "object") {
+      return o;
+    }
+  } catch (e) {}
+
+  return false;
+}
diff --git a/src/commands/functions/list.js b/src/commands/functions/list.js
new file mode 100644
index 00000000000..2ba48a7bac9
--- /dev/null
+++ b/src/commands/functions/list.js
@@ -0,0 +1,104 @@
+const chalk = require("chalk");
+const Command = require("@netlify/cli-utils");
+const { flags } = require("@oclif/command");
+const AsciiTable = require("ascii-table");
+const { getFunctions } = require("../../utils/get-functions");
+class FunctionsListCommand extends Command {
+  async run() {
+    let { flags } = this.parse(FunctionsListCommand);
+    const { api, site, config } = this.netlify;
+
+    // get deployed site details
+    // copied from `netlify status`
+    const siteId = site.id;
+    if (!siteId) {
+      this.warn("Did you run `netlify link` yet?");
+      this.error(`You don't appear to be in a folder that is linked to a site`);
+    }
+    let siteData;
+    try {
+      siteData = await api.getSite({ siteId });
+    } catch (e) {
+      if (e.status === 401 /* unauthorized*/) {
+        this.warn(
+          `Log in with a different account or re-link to a site you have permission for`
+        );
+        this.error(
+          `Not authorized to view the currently linked site (${siteId})`
+        );
+      }
+      if (e.status === 404 /* missing */) {
+        this.error(`The site this folder is linked to can't be found`);
+      }
+      this.error(e);
+    }
+    const deploy = siteData.published_deploy || {};
+    const deployed_functions = deploy.available_functions || [];
+
+    const functionsDir =
+      flags.functions ||
+      (config.dev && config.dev.functions) ||
+      (config.build && config.build.functions);
+    if (typeof functionsDir === "undefined") {
+      this.error(
+        "functions directory is undefined, did you forget to set it in netlify.toml?"
+      );
+      process.exit(1);
+    }
+    var table = new AsciiTable(
+      `Netlify Functions (based on local functions folder "${functionsDir}")`
+    );
+    const functions = getFunctions(functionsDir);
+
+    table.setHeading("Name", "Url", "moduleDir", "deployed");
+    Object.entries(functions).forEach(([functionName, { moduleDir }]) => {
+      const isDeployed = deployed_functions
+        .map(({ n }) => n)
+        .includes(functionName);
+
+      // this.log(`${chalk.yellow("function name")}: ${functionName}`);
+      // this.log(
+      //   `          ${chalk.yellow(
+      //     "url"
+      //   )}: ${`/.netlify/functions/${functionName}`}`
+      // );
+      // this.log(`    ${chalk.yellow("moduleDir")}: ${moduleDir}`);
+      // this.log(
+      //   `     ${chalk.yellow("deployed")}: ${
+      //     isDeployed ? chalk.green("yes") : chalk.yellow("no")
+      //   }`
+      // );
+      // this.log("----------");
+      table.addRow(
+        functionName,
+        `/.netlify/functions/${functionName}`,
+        moduleDir,
+        isDeployed ? "yes" : "no"
+      );
+    });
+    this.log(table.toString());
+  }
+}
+
+FunctionsListCommand.description = `list functions that exist locally
+
+Helpful for making sure that you have formatted your functions correctly
+
+NOT the same as listing the functions that have been deployed. For that info you need to go to your Netlify deploy log.
+`;
+FunctionsListCommand.aliases = ["function:list"];
+FunctionsListCommand.flags = {
+  name: flags.string({
+    char: "n",
+    description: "name to print"
+  }),
+  functions: flags.string({
+    char: "f",
+    description: "Specify a functions folder to serve"
+  })
+};
+
+// TODO make visible once implementation complete
+FunctionsListCommand.hidden = true;
+
+module.exports = FunctionsListCommand;
diff --git a/src/detectors/README.md b/src/detectors/README.md
new file mode 100644
index 00000000000..7d3b43860b9
--- /dev/null
+++ b/src/detectors/README.md
@@ -0,0 +1,68 @@
+## writing a detector
+
+- write as many checks as possible to fit your project
+- return false if its not your project
+- if it definitely is, return an object with this shape:
+
+```ts
+{
+    type: String, // e.g. gatsby, vue-cli
+    command: String, // e.g. yarn, npm
+    port: Number, // e.g. 8888
+    proxyPort: Number, // e.g. 3000
+    env: Object, // env variables, see examples
+    possibleArgsArrs: [[String]], // e.g [['run develop]], so that the combined command is 'npm run develop', but we allow for multiple
+    urlRegexp: RegExp, // see examples
+    dist: String, // static folder where a _redirect file would be placed, e.g. 'public' or 'static'. NOT the build output folder
+}
+```
+
+## things to note
+
+- Dev block overrides will supercede anything you write in your detector: https://github.com/netlify/netlify-dev-plugin#project-detection
+- detectors are language agnostic. don't assume npm or yarn.
+- if default args (like 'develop') are missing, that means the user has configured it, best to tell them to use the -c flag.
+
+## detector notes
+
+- metalsmith is popular but has no dev story so we have skipped it
+- hub press doesnt even have cli https://github.com/HubPress/hubpress.io#what-is-hubpress
+- gitbook:
+
+not sure if we want to support gitbook yet
+
+requires a global install: https://github.com/GitbookIO/gitbook/blob/master/docs/setup.md
+
+```js
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["README.md", "SUMMARY.md"])) return false;
+  // // REQUIRED DEPS
+  // if (!hasRequiredDeps(["hexo"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = [["gitbook", "serve"]];
+  // scanScripts({
+  //   preferredScriptsArr: ["start", "dev", "develop"],
+  //   preferredCommand: "hexo server"
+  // });
+
+  return {
+    type: "gitbook",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 4000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${4000}(/)?`, "g"),
+    dist: "public"
+  };
+};
+```
diff --git a/src/detectors/brunch.js b/src/detectors/brunch.js
new file mode 100644
index 00000000000..a0ba2610477
--- /dev/null
+++ b/src/detectors/brunch.js
@@ -0,0 +1,30 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "brunch-config.js"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["brunch"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start"],
+    preferredCommand: "brunch watch --server"
+  });
+
+  return {
+    type: "brunch",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3333,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3333}(/)?`, "g"),
+    dist: "app/assets"
+  };
+};
diff --git a/src/detectors/cra.js b/src/detectors/cra.js
new file mode 100644
index 00000000000..61d4dc536d5
--- /dev/null
+++ b/src/detectors/cra.js
@@ -0,0 +1,39 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+/**
+ * detection logic - artificial intelligence!
+ * */
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["react-scripts"])) return false;
+
+  /** everything below now assumes that we are within create-react-app */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start", "serve", "run"],
+    preferredCommand: "react-scripts start"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["react-scripts", "start"]);
+  }
+
+  return {
+    type: "create-react-app",
+    command: getYarnOrNPMCommand(),
+    port: 8888, // the port that the Netlify Dev User will use
+    proxyPort: 3000, // the port that create-react-app normally outputs
+    env: { ...process.env, BROWSER: "none", PORT: 3000 },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/docusaurus.js b/src/detectors/docusaurus.js
new file mode 100644
index 00000000000..746948cb450
--- /dev/null
+++ b/src/detectors/docusaurus.js
@@ -0,0 +1,30 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "siteConfig.js"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["docusaurus"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start"],
+    preferredCommand: "docusaurus-start"
+  });
+
+  return {
+    type: "docusaurus",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "static"
+  };
+};
diff --git a/src/detectors/eleventy.js b/src/detectors/eleventy.js
new file mode 100644
index 00000000000..045d70981c2
--- /dev/null
+++ b/src/detectors/eleventy.js
@@ -0,0 +1,24 @@
+const {
+  // hasRequiredDeps,
+  hasRequiredFiles
+  // scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", ".eleventy.js"])) return false;
+  // commented this out because we're not sure if we want to require it
+  // // REQUIRED DEPS
+  // if (!hasRequiredDeps(["@11y/eleventy"])) return false;
+
+  return {
+    type: "eleventy",
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    command: "npx",
+    possibleArgsArrs: [["eleventy", "--serve", "--watch"]],
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: "_site"
+  };
+};
diff --git a/src/detectors/gatsby.js b/src/detectors/gatsby.js
new file mode 100644
index 00000000000..8caff8c705b
--- /dev/null
+++ b/src/detectors/gatsby.js
@@ -0,0 +1,34 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "gatsby-config.js"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["gatsby"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start", "develop", "dev"],
+    preferredCommand: "gatsby develop"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["gatsby", "develop"]);
+  }
+  return {
+    type: "gatsby",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8000}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/gridsome.js b/src/detectors/gridsome.js
new file mode 100644
index 00000000000..efe026c9ff3
--- /dev/null
+++ b/src/detectors/gridsome.js
@@ -0,0 +1,30 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "gridsome.config.js"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["gridsome"])) return false;
+
+  /** everything below now assumes that we are within gridsome */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["develop"],
+    preferredCommand: "gridsome develop"
+  });
+
+  return {
+    type: "gridsome",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: "static"
+  };
+};
diff --git a/src/detectors/hexo.js b/src/detectors/hexo.js
new file mode 100644
index 00000000000..a269a5c9428
--- /dev/null
+++ b/src/detectors/hexo.js
@@ -0,0 +1,34 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "_config.yml"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["hexo"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start", "dev", "develop"],
+    preferredCommand: "hexo server"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["hexo", "server"]);
+  }
+  return {
+    type: "hexo",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 4000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${4000}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/hugo.js b/src/detectors/hugo.js
new file mode 100644
index 00000000000..aac2b8da82f
--- /dev/null
+++ b/src/detectors/hugo.js
@@ -0,0 +1,18 @@
+const { existsSync } = require("fs");
+
+module.exports = function() {
+  if (!existsSync("config.toml") && !existsSync("config.yaml")) {
+    return false;
+  }
+
+  return {
+    type: "hugo",
+    port: 8888,
+    proxyPort: 1313,
+    env: { ...process.env },
+    command: "hugo",
+    possibleArgsArrs: [["server", "-w"]],
+    urlRegexp: new RegExp(`(http://)([^:]+:)${1313}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/jekyll.js b/src/detectors/jekyll.js
new file mode 100644
index 00000000000..88169a6e06b
--- /dev/null
+++ b/src/detectors/jekyll.js
@@ -0,0 +1,18 @@
+const { existsSync } = require("fs");
+
+module.exports = function() {
+  if (!existsSync("_config.yml")) {
+    return false;
+  }
+
+  return {
+    type: "jekyll",
+    port: 8888,
+    proxyPort: 4000,
+    env: { ...process.env },
+    command: "bundle",
+    possibleArgsArrs: [["exec", "jekyll", "serve", "-w", "-l"]],
+    urlRegexp: new RegExp(`(http://)([^:]+:)${4000}(/)?`, "g"),
+    dist: "_site"
+  };
+};
diff --git a/src/detectors/middleman.js b/src/detectors/middleman.js
new file mode 100644
index 00000000000..f512bae7bc5
--- /dev/null
+++ b/src/detectors/middleman.js
@@ -0,0 +1,18 @@
+const { existsSync } = require("fs");
+
+module.exports = function() {
+  if (!existsSync("config.rb")) {
+    return false;
+  }
+
+  return {
+    type: "middleman",
+    port: 8888,
+    proxyPort: 4567,
+    env: { ...process.env },
+    command: "bundle",
+    possibleArgsArrs: [["exec", "middleman", "server"]],
+    urlRegexp: new RegExp(`(http://)([^:]+:)${4567}(/)?`, "g"),
+    dist: "build"
+  };
+};
diff --git a/src/detectors/next.js b/src/detectors/next.js
new file mode 100644
index 00000000000..67fbacee8b1
--- /dev/null
+++ b/src/detectors/next.js
@@ -0,0 +1,34 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["next"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["dev", "develop", "start"],
+    preferredCommand: "next"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["next"]);
+  }
+  return {
+    type: "next.js",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "out"
+  };
+};
diff --git a/src/detectors/nuxt.js b/src/detectors/nuxt.js
new file mode 100644
index 00000000000..f81047223f5
--- /dev/null
+++ b/src/detectors/nuxt.js
@@ -0,0 +1,36 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["nuxt"])) return false;
+
+  /** everything below now assumes that we are within vue */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start", "dev", "run"],
+    preferredCommand: "nuxt start"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["nuxt", "start"]);
+  }
+
+  return {
+    type: "yarn",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: ".nuxt"
+  };
+};
diff --git a/src/detectors/phenomic.js b/src/detectors/phenomic.js
new file mode 100644
index 00000000000..485eb0392eb
--- /dev/null
+++ b/src/detectors/phenomic.js
@@ -0,0 +1,30 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["@phenomic/core"])) return false;
+
+  /** everything below now assumes that we are within gatsby */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start"],
+    preferredCommand: "phenomic start"
+  });
+
+  return {
+    type: "phenomic",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3333,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3333}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/quasar-v0.17.js b/src/detectors/quasar-v0.17.js
new file mode 100644
index 00000000000..23a04a94918
--- /dev/null
+++ b/src/detectors/quasar-v0.17.js
@@ -0,0 +1,37 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["quasar-cli"])) return false;
+
+  /** everything below now assumes that we are within Quasar */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["serve", "start", "run", "dev"]
+    // NOTE: this is comented out as it was picking this up in cordova related scripts.
+    // preferredCommand: "quasar dev"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run this default when the user doesnt have any matching scripts setup!
+    possibleArgsArrs.push(["quasar", "dev"]);
+  }
+
+  return {
+    type: "quasar-cli-v0.17",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: ".quasar"
+  };
+};
diff --git a/src/detectors/quasar.js b/src/detectors/quasar.js
new file mode 100644
index 00000000000..24ec3fb9b89
--- /dev/null
+++ b/src/detectors/quasar.js
@@ -0,0 +1,37 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["@quasar/app"])) return false;
+
+  /** everything below now assumes that we are within Quasar */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["serve", "start", "run", "dev"]
+    // NOTE: this is comented out as it was picking this up in cordova related scripts.
+    // preferredCommand: "quasar dev"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run this default when the user doesnt have any matching scripts setup!
+    possibleArgsArrs.push(["quasar", "dev"]);
+  }
+
+  return {
+    type: "quasar-cli",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: ".quasar"
+  };
+};
diff --git a/src/detectors/react-static.js b/src/detectors/react-static.js
new file mode 100644
index 00000000000..08dfeb6693f
--- /dev/null
+++ b/src/detectors/react-static.js
@@ -0,0 +1,34 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "static.config.js"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["react-static"])) return false;
+
+  /** everything below now assumes that we are within react-static */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start", "develop", "dev"],
+    preferredCommand: "react-static start"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["react-static", "start"]);
+  }
+  return {
+    type: "react-static",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "dist"
+  };
+};
diff --git a/src/detectors/sapper.js b/src/detectors/sapper.js
new file mode 100644
index 00000000000..3443b474f20
--- /dev/null
+++ b/src/detectors/sapper.js
@@ -0,0 +1,36 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["sapper"])) return false;
+
+  /** everything below now assumes that we are within Sapper */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["dev", "start"],
+    preferredCommand: "sapper dev"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["sapper", "dev"]);
+  }
+
+  return {
+    type: "sapper",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 3000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "static"
+  };
+};
diff --git a/src/detectors/stencil.js b/src/detectors/stencil.js
new file mode 100644
index 00000000000..0ed753ded84
--- /dev/null
+++ b/src/detectors/stencil.js
@@ -0,0 +1,34 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+/**
+ * detection logic - artificial intelligence!
+ * */
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json", "stencil.config.ts"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["@stencil/core"])) return false;
+
+  /** everything below now assumes that we are within stencil */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["start"],
+    preferredCommand: "stencil build --dev --watch --serve"
+  });
+
+  return {
+    type: "stencil",
+    command: getYarnOrNPMCommand(),
+    port: 8888, // the port that the Netlify Dev User will use
+    proxyPort: 3333, // the port that stencil normally outputs
+    env: { ...process.env, BROWSER: "none", PORT: 3000 },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${3000}(/)?`, "g"),
+    dist: "www"
+  };
+};
diff --git a/src/detectors/svelte.js b/src/detectors/svelte.js
new file mode 100644
index 00000000000..2cb33f5f09e
--- /dev/null
+++ b/src/detectors/svelte.js
@@ -0,0 +1,38 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["svelte"])) return false;
+  // HAS DETECTOR, IT WILL BE PICKED UP BY SAPPER DETECTOR, avoid duplication https://github.com/netlify/cli/issues/347
+  if (hasRequiredDeps(["sapper"])) return false;
+
+  /** everything below now assumes that we are within svelte */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["dev", "start", "run"],
+    preferredCommand: "npm run dev"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["npm", "dev"]);
+  }
+
+  return {
+    type: "svelte",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 5000,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${5000}(/)?`, "g"),
+    dist: "public"
+  };
+};
diff --git a/src/detectors/utils/jsdetect.js b/src/detectors/utils/jsdetect.js
new file mode 100644
index 00000000000..3cd2f820f44
--- /dev/null
+++ b/src/detectors/utils/jsdetect.js
@@ -0,0 +1,103 @@
+/**
+ * responsible for any js based projects
+ * and can therefore build in assumptions that only js projects have
+ *
+ */
+const { existsSync, readFileSync } = require("fs");
+let pkgJSON = null;
+let yarnExists = false;
+let warnedAboutEmptyScript = false;
+const { NETLIFYDEVWARN } = require("netlify-cli-logo");
+
+/** hold package.json in a singleton so we dont do expensive parsing repeatedly */
+function getPkgJSON() {
+  if (pkgJSON) {
+    return pkgJSON;
+  }
+  if (!existsSync("package.json"))
+    throw new Error(
+      "dont call this method unless you already checked for pkg json"
+    );
+  pkgJSON = JSON.parse(readFileSync("package.json", { encoding: "utf8" }));
+  return pkgJSON;
+}
+function getYarnOrNPMCommand() {
+  if (!yarnExists) {
+    yarnExists = existsSync("yarn.lock") ? "yes" : "no";
+  }
+  return yarnExists === "yes" ? "yarn" : "npm";
+}
+
+/**
+ * real utiltiies are down here
+ *
+ */
+
+function hasRequiredDeps(requiredDepArray) {
+  const { dependencies, devDependencies } = getPkgJSON();
+  for (let depName of requiredDepArray) {
+    const hasItInDeps = dependencies && dependencies[depName];
+    const hasItInDevDeps = devDependencies && devDependencies[depName];
+    if (!hasItInDeps && !hasItInDevDeps) {
+      return false;
+    }
+  }
+  return true;
+}
+function hasRequiredFiles(filenameArr) {
+  for (const filename of filenameArr) {
+    if (!existsSync(filename)) {
+      return false;
+    }
+  }
+  return true;
+}
+
+// preferredScriptsArr is in decreasing order of preference
+function scanScripts({ preferredScriptsArr, preferredCommand }) {
+  const { scripts } = getPkgJSON();
+
+  if (!scripts && !warnedAboutEmptyScript) {
+    // eslint-disable-next-line no-console
+    console.log(
+      `${NETLIFYDEVWARN} You have a package.json without any npm scripts.`
+    );
+    // eslint-disable-next-line no-console
+    console.log(
+      `${NETLIFYDEVWARN} Netlify Dev's detector system works best with a script, or you can specify a command to run in the netlify.toml [dev]  block `
+    );
+    warnedAboutEmptyScript = true; // dont spam message with every detector
+    return []; // not going to match any scripts anyway
+  }
+  /**
+   *
+   * NOTE: we return an array of arrays (args)
+   * because we may want to supply extra args in some setups
+   *
+   * e.g. ['eleventy', '--serve', '--watch']
+   *
+   * array will in future be sorted by likelihood of what we want
+   *
+   *  */
+  // this is very simplistic logic, we can offer far more intelligent logic later
+  // eg make a dependency tree of npm scripts and offer the parentest node first
+  let possibleArgsArrs = preferredScriptsArr
+    .filter(s => Object.keys(scripts).includes(s))
+    .filter(s => !scripts[s].includes("netlify dev")) // prevent netlify dev calling netlify dev
+    .map(x => [x]); // make into arr of arrs
+
+  Object.entries(scripts)
+    .filter(([k]) => !preferredScriptsArr.includes(k))
+    .forEach(([k, v]) => {
+      if (v.includes(preferredCommand)) possibleArgsArrs.push([k]);
+    });
+
+  return possibleArgsArrs;
+}
+
+module.exports = {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+};
diff --git a/src/detectors/vue.js b/src/detectors/vue.js
new file mode 100644
index 00000000000..c69bdb31448
--- /dev/null
+++ b/src/detectors/vue.js
@@ -0,0 +1,36 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["@vue/cli-service"])) return false;
+
+  /** everything below now assumes that we are within vue */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["serve", "start", "run"],
+    preferredCommand: "vue-cli-service serve"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["vue-cli-service", "serve"]);
+  }
+
+  return {
+    type: "vue-cli",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: "dist"
+  };
+};
diff --git a/src/detectors/vuepress.js b/src/detectors/vuepress.js
new file mode 100644
index 00000000000..ef20cf5fb63
--- /dev/null
+++ b/src/detectors/vuepress.js
@@ -0,0 +1,36 @@
+const {
+  hasRequiredDeps,
+  hasRequiredFiles,
+  getYarnOrNPMCommand,
+  scanScripts
+} = require("./utils/jsdetect");
+
+module.exports = function() {
+  // REQUIRED FILES
+  if (!hasRequiredFiles(["package.json"])) return false;
+  // REQUIRED DEPS
+  if (!hasRequiredDeps(["vuepress"])) return false;
+
+  /** everything below now assumes that we are within vue */
+
+  const possibleArgsArrs = scanScripts({
+    preferredScriptsArr: ["docs:dev", "dev", "run"],
+    preferredCommand: "vuepress dev"
+  });
+
+  if (possibleArgsArrs.length === 0) {
+    // ofer to run it when the user doesnt have any scripts setup! 🤯
+    possibleArgsArrs.push(["vuepress", "dev"]);
+  }
+
+  return {
+    type: "vuepress",
+    command: getYarnOrNPMCommand(),
+    port: 8888,
+    proxyPort: 8080,
+    env: { ...process.env },
+    possibleArgsArrs,
+    urlRegexp: new RegExp(`(http://)([^:]+:)${8080}(/)?`, "g"),
+    dist: ".vuepress/dist"
+  };
+};
diff --git a/src/function-builder-detectors/README.md b/src/function-builder-detectors/README.md
new file mode 100644
index 00000000000..6ad98e714cb
--- /dev/null
+++ b/src/function-builder-detectors/README.md
@@ -0,0 +1,16 @@
+## function builder detectors
+
+similar to project detectors, each file here detects function builders. this is so that netlify dev never manages the webpack or other config. the expected output is very simple:
+
+```js
+module.exports = {
+  src: "functions-source", // source for your functions
+  build: () => {}, // chokidar will call this to build and rebuild your function
+  npmScript: "build:functions" // optional, the matching package.json script that calls your function builder
+}
+```
+
+example
+
+- [src](https://github.com/netlify/netlify-dev-plugin/blob/6a3992746ae490881105fbed2e11ca444f79e44e/src/function-builder-detectors/netlify-lambda.js#L29)
+- [npmScript](https://github.com/netlify/netlify-dev-plugin/blob/6a3992746ae490881105fbed2e11ca444f79e44e/src/function-builder-detectors/netlify-lambda.js#L30)
diff --git a/src/function-builder-detectors/netlify-lambda.js b/src/function-builder-detectors/netlify-lambda.js
new file mode 100644
index 00000000000..55fba88a31c
--- /dev/null
+++ b/src/function-builder-detectors/netlify-lambda.js
@@ -0,0 +1,41 @@
+const { existsSync, readFileSync } = require("fs");
+const execa = require("execa");
+
+module.exports = function() {
+  if (!existsSync("package.json")) {
+    return false;
+  }
+
+  const packageSettings = JSON.parse(
+    readFileSync("package.json", { encoding: "utf8" })
+  );
+  const { dependencies, devDependencies, scripts } = packageSettings;
+  if (
+    !(
+      (dependencies && dependencies["netlify-lambda"]) ||
+      (devDependencies && devDependencies["netlify-lambda"])
+    )
+  ) {
+    return false;
+  }
+
+  const yarnExists = existsSync("yarn.lock");
+  const settings = {};
+
+  for (const key in scripts) {
+    const script = scripts[key];
+    const match = script.match(/netlify-lambda build (\S+)/);
+    if (match) {
+      settings.src = match[1];
+      settings.npmScript = key;
+      break;
+    }
+  }
+
+  if (settings.npmScript) {
+    settings.build = () =>
+      execa(yarnExists ? "yarn" : "npm", ["run", settings.npmScript]);
+    settings.builderName = "netlify-lambda";
+    return settings;
+  }
+};
diff --git a/src/functions-templates/js/README.md b/src/functions-templates/js/README.md
new file mode 100644
index 00000000000..ddcb4518c21
--- /dev/null
+++ b/src/functions-templates/js/README.md
@@ -0,0 +1,36 @@
+## note to devs
+
+place new templates here and our CLI will pick it up. each template must be in its own folder.
+
+## not a long term solution
+
+we dont want people to update their CLI every time we add a template. see https://github.com/netlify/netlify-dev-plugin/issues/42 for how we may solve in future
+
+## template lifecycles
+
+- onComplete
+  - meant for messages, logging, light cleanup
+- onAllAddonsInstalled?
+  - not implemented yet
+  - meant for heavier work, but not sure if different from onComplete
+
+## template addons
+
+specify an array of objects of this shape:
+
+```ts
+{
+  addonName: String,
+  addonDidInstall?: Function // for executing arbitrary postinstall code for a SINGLE addon
+}
+```
+
+## why place templates in a separate folder
+
+we dont colocate this inside `src/commands/functions` because oclif will think it's a new command.
+
+every function should be registered with their respective `template-registry.js`.
+
+## typescript and go
+
+we have some templates here but they are unused for now until Netlify Dev supports them.
diff --git a/src/functions-templates/js/apollo-graphql-rest/.netlify-function-template.js b/src/functions-templates/js/apollo-graphql-rest/.netlify-function-template.js
new file mode 100644
index 00000000000..29e6b9ed294
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql-rest/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "apollo-graphql-rest",
+  description:
+    "GraphQL function to wrap REST API using apollo-server-lambda and apollo-datasource-rest!"
+};
diff --git a/src/functions-templates/js/apollo-graphql-rest/apollo-graphql-rest.js b/src/functions-templates/js/apollo-graphql-rest/apollo-graphql-rest.js
new file mode 100644
index 00000000000..7c12b2fd2eb
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql-rest/apollo-graphql-rest.js
@@ -0,0 +1,68 @@
+/* eslint-disable */
+const { ApolloServer, gql } = require("apollo-server-lambda");
+const RandomUser = require("./random-user.js");
+// example from: https://medium.com/yld-engineering-blog/easier-graphql-wrappers-for-your-rest-apis-1410b0b5446d
+
+const typeDefs = gql`
+  """
+  Example Description for Name Type
+
+  It's multiline and you can use **markdown**! [more docs](https://www.apollographql.com/docs/apollo-server/essentials/schema#documentation)!
+  """
+  type Name {
+    "Description for first"
+    title: String
+    "Description for title"
+    first: String
+    "Description for last"
+    last: String
+  }
+  type Location {
+    street: String
+    city: String
+    state: String
+    postcode: String
+  }
+  type Picture {
+    large: String
+    medium: String
+    thumbnail: String
+  }
+  type User {
+    gender: String
+    name: Name
+    location: Location
+    email: String
+    phone: String
+    cell: String
+    picture: Picture
+    nat: String
+  }
+  type Query {
+    """
+    Example Description for getUser
+
+    It's multiline and you can use **markdown**!
+    """
+    getUser(gender: String): User
+    getUsers(people: Int, gender: String): [User]
+  }
+`;
+const resolvers = {
+  Query: {
+    getUser: async (_, { gender }, { dataSources }) =>
+      dataSources.RandomUser.getUser(gender),
+    getUsers: async (_, { people, gender }, { dataSources }) =>
+      dataSources.RandomUser.getUsers(people, gender)
+  }
+};
+
+const server = new ApolloServer({
+  typeDefs,
+  resolvers,
+  dataSources: () => ({
+    RandomUser: new RandomUser()
+  })
+});
+
+exports.handler = server.createHandler();
diff --git a/src/functions-templates/js/apollo-graphql-rest/package.json b/src/functions-templates/js/apollo-graphql-rest/package.json
new file mode 100644
index 00000000000..866c939d874
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql-rest/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "apollo-graphql-rest",
+  "version": "1.0.0",
+  "description": "netlify functions:create - GraphQL function to wrap REST API using apollo-server-lambda and apollo-datasource-rest!",
+  "main": "apollo-graphql-rest.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "apollo"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "apollo-server-lambda": "^2.4.8",
+    "apollo-datasource-rest": "^0.3.2",
+    "graphql": "^14.1.1"
+  }
+}
diff --git a/src/functions-templates/js/apollo-graphql-rest/random-user.js b/src/functions-templates/js/apollo-graphql-rest/random-user.js
new file mode 100644
index 00000000000..a81447f7107
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql-rest/random-user.js
@@ -0,0 +1,20 @@
+const { RESTDataSource } = require("apollo-datasource-rest");
+
+class RandomUser extends RESTDataSource {
+  constructor() {
+    super();
+    this.baseURL = "https://randomuser.me/api";
+  }
+
+  async getUser(gender = "all") {
+    const user = await this.get(`/?gender=${gender}`);
+    return user.results[0];
+  }
+
+  async getUsers(people = 10, gender = "all") {
+    const user = await this.get(`/?results=${people}&gender=${gender}`);
+    return user.results;
+  }
+}
+
+module.exports = RandomUser;
diff --git a/src/functions-templates/js/apollo-graphql/.netlify-function-template.js b/src/functions-templates/js/apollo-graphql/.netlify-function-template.js
new file mode 100644
index 00000000000..992deeab3fd
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "apollo-graphql",
+  description: "GraphQL function using Apollo-Server-Lambda!"
+};
diff --git a/src/functions-templates/js/apollo-graphql/apollo-graphql.js b/src/functions-templates/js/apollo-graphql/apollo-graphql.js
new file mode 100644
index 00000000000..655a058edff
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql/apollo-graphql.js
@@ -0,0 +1,46 @@
+const { ApolloServer, gql } = require("apollo-server-lambda");
+
+const typeDefs = gql`
+  type Query {
+    hello: String
+    allAuthors: [Author!]
+    author(id: Int!): Author
+    authorByName(name: String!): Author
+  }
+  type Author {
+    id: ID!
+    name: String!
+    married: Boolean!
+  }
+`;
+
+const authors = [
+  { id: 1, name: "Terry Pratchett", married: false },
+  { id: 2, name: "Stephen King", married: true },
+  { id: 3, name: "JK Rowling", married: false }
+];
+
+const resolvers = {
+  Query: {
+    hello: (root, args, context) => {
+      return "Hello, world!";
+    },
+    allAuthors: (root, args, context) => {
+      return authors;
+    },
+    author: (root, args, context) => {
+      return;
+    },
+    authorByName: (root, args, context) => {
+      console.log("hihhihi", args.name);
+      return authors.find(x => x.name === args.name) || "NOTFOUND";
+    }
+  }
+};
+
+const server = new ApolloServer({
+  typeDefs,
+  resolvers
+});
+
+exports.handler = server.createHandler();
diff --git a/src/functions-templates/js/apollo-graphql/package.json b/src/functions-templates/js/apollo-graphql/package.json
new file mode 100644
index 00000000000..3707c1636e8
--- /dev/null
+++ b/src/functions-templates/js/apollo-graphql/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "apollo-graphql",
+  "version": "1.0.0",
+  "description": "netlify functions:create - set up for apollo graphql",
+  "main": "apollo-graphql.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "apollo"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "apollo-server-lambda": "^2.4.8",
+    "graphql": "^14.1.1"
+  }
+}
diff --git a/src/functions-templates/js/auth-fetch/.netlify-function-template.js b/src/functions-templates/js/auth-fetch/.netlify-function-template.js
new file mode 100644
index 00000000000..bf60b2ac18a
--- /dev/null
+++ b/src/functions-templates/js/auth-fetch/.netlify-function-template.js
@@ -0,0 +1,10 @@
+module.exports = {
+  name: "auth-fetch",
+  description: "Use `node-fetch` library and Netlify Identity to access APIs",
+  onComplete() {
+    console.log(`auth-fetch function created from template!`);
+    console.log(
+      "REMINDER: Make sure to call this function with the Netlify Identity JWT. See https://netlify-gotrue-in-react.netlify.com/ for demo"
+    );
+  }
+};
diff --git a/src/functions-templates/js/auth-fetch/auth-fetch.js b/src/functions-templates/js/auth-fetch/auth-fetch.js
new file mode 100644
index 00000000000..77f20611455
--- /dev/null
+++ b/src/functions-templates/js/auth-fetch/auth-fetch.js
@@ -0,0 +1,34 @@
+/* eslint-disable */
+// for a full working demo of Netlify Identity + Functions, see https://netlify-gotrue-in-react.netlify.com/
+
+const fetch = require("node-fetch");
+exports.handler = async function(event, context) {
+  if (!context.clientContext && !context.clientContext.identity) {
+    return {
+      statusCode: 500,
+      body: JSON.stringify({
+        msg: "No identity instance detected. Did you enable it?"
+      }) // Could be a custom message or object i.e. JSON.stringify(err)
+    };
+  }
+  const { identity, user } = context.clientContext;
+  try {
+    const response = await fetch("https://api.chucknorris.io/jokes/random");
+    if (!response.ok) {
+      // NOT res.status >= 200 && res.status < 300
+      return { statusCode: response.status, body: response.statusText };
+    }
+    const data = await response.json();
+
+    return {
+      statusCode: 200,
+      body: JSON.stringify({ identity, user, msg: data.value })
+    };
+  } catch (err) {
+    console.log(err); // output to netlify function log
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ msg: err.message }) // Could be a custom message or object i.e. JSON.stringify(err)
+    };
+  }
+};
diff --git a/src/functions-templates/js/auth-fetch/package-lock.json b/src/functions-templates/js/auth-fetch/package-lock.json
new file mode 100644
index 00000000000..6cc2723eef7
--- /dev/null
+++ b/src/functions-templates/js/auth-fetch/package-lock.json
@@ -0,0 +1,13 @@
+{
+  "name": "auth-fetch",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "node-fetch": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
+      "integrity": "sha512-MOd8pV3fxENbryESLgVIeaGKrdl+uaYhCSSVkjeOb/31/njTpcis5aWfdqgNlHIrKOLRbMnfPINPOML2CIFeXA=="
+    }
+  }
+}
diff --git a/src/functions-templates/js/auth-fetch/package.json b/src/functions-templates/js/auth-fetch/package.json
new file mode 100644
index 00000000000..ba2df044c92
--- /dev/null
+++ b/src/functions-templates/js/auth-fetch/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "auth-fetch",
+  "version": "1.0.0",
+  "description": "netlify functions:create - default template for auth fetch function",
+  "main": "auth-fetch.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "identity",
+    "authentication"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/create-user/.netlify-function-template.js b/src/functions-templates/js/create-user/.netlify-function-template.js
new file mode 100644
index 00000000000..030d6a2f543
--- /dev/null
+++ b/src/functions-templates/js/create-user/.netlify-function-template.js
@@ -0,0 +1,11 @@
+module.exports = {
+  name: "create-user",
+  description:
+    "Programmatically create a Netlify Identity user by invoking a function",
+  onComplete() {
+    console.log(`create-user function created from template!`);
+    console.log(
+      "REMINDER: Make sure to call this function with a Netlify Identity JWT. See https://netlify-gotrue-in-react.netlify.com/ for demo"
+    );
+  }
+};
diff --git a/src/functions-templates/js/create-user/create-user.js b/src/functions-templates/js/create-user/create-user.js
new file mode 100644
index 00000000000..91b46f17e55
--- /dev/null
+++ b/src/functions-templates/js/create-user/create-user.js
@@ -0,0 +1,35 @@
+const fetch = require("node-fetch");
+
+exports.handler = async (event, context) => {
+  if (event.httpMethod !== "POST")
+    return { statusCode: 400, body: "Must POST to this function" };
+
+  // send account information along with the POST
+  const { email, password, full_name } = JSON.parse(event.body);
+  if (!email) return { statusCode: 400, body: "email missing" };
+  if (!password) return { statusCode: 400, body: "password missing" };
+  if (!full_name) return { statusCode: 400, body: "full_name missing" };
+
+  // identity.token is a short lived admin token which
+  // is provided to all Netlify Functions to interact
+  // with the Identity API
+  const { identity } = context.clientContext;
+
+  await fetch(`${identity.url}/admin/users`, {
+    method: "POST",
+    headers: { Authorization: `Bearer ${identity.token}` },
+    body: JSON.stringify({
+      email,
+      password,
+      confirm: true,
+      user_metadata: {
+        full_name
+      }
+    })
+  });
+
+  return {
+    statusCode: 200,
+    body: "success!"
+  };
+};
diff --git a/src/functions-templates/js/create-user/package.json b/src/functions-templates/js/create-user/package.json
new file mode 100644
index 00000000000..b36a1a778dc
--- /dev/null
+++ b/src/functions-templates/js/create-user/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "create-user",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Programmatically create a Netlify Identity user by invoking a function",
+  "main": "create-user.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "identity",
+    "authentication"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/fauna-crud/.netlify-function-template.js b/src/functions-templates/js/fauna-crud/.netlify-function-template.js
new file mode 100644
index 00000000000..9b8e462a93d
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/.netlify-function-template.js
@@ -0,0 +1,16 @@
+const execa = require("execa");
+module.exports = {
+  name: "fauna-crud",
+  description: "CRUD function using Fauna DB",
+  addons: [
+    {
+      addonName: "fauna",
+      addonDidInstall(fnPath) {
+        execa.sync(fnPath + "/create-schema.js", undefined, {
+          env: process.env,
+          stdio: "inherit"
+        });
+      }
+    }
+  ]
+};
diff --git a/src/functions-templates/js/fauna-crud/create-schema.js b/src/functions-templates/js/fauna-crud/create-schema.js
new file mode 100755
index 00000000000..19c60a1834a
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/create-schema.js
@@ -0,0 +1,42 @@
+#!/usr/bin/env node
+
+/* bootstrap database in your FaunaDB account - use with `netlify dev:exec <path-to-this-file>` */
+const faunadb = require("faunadb");
+
+const q = faunadb.query;
+
+function createFaunaDB() {
+  if (!process.env.FAUNADB_SERVER_SECRET) {
+    console.log("No FAUNADB_SERVER_SECRET in environment, skipping DB setup");
+  }
+  console.log("Create the database!");
+  const client = new faunadb.Client({
+    secret: process.env.FAUNADB_SERVER_SECRET
+  });
+
+  /* Based on your requirements, change the schema here */
+  return client
+    .query(q.Create(q.Ref("classes"), { name: "items" }))
+    .then(() => {
+      console.log("Created items class");
+      return client.query(
+        q.Create(q.Ref("indexes"), {
+          name: "all_items",
+          source: q.Ref("classes/items"),
+          active: true
+        })
+      );
+    })
+
+    .catch(e => {
+      if (
+        e.requestResult.statusCode === 400 &&
+        e.message === "instance not unique"
+      ) {
+        console.log("DB already exists");
+      }
+      throw e;
+    });
+}
+
+createFaunaDB();
diff --git a/src/functions-templates/js/fauna-crud/create.js b/src/functions-templates/js/fauna-crud/create.js
new file mode 100644
index 00000000000..47cd9791112
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/create.js
@@ -0,0 +1,36 @@
+const faunadb = require("faunadb");
+
+/* configure faunaDB Client with our secret */
+const q = faunadb.query;
+const client = new faunadb.Client({
+  secret: process.env.FAUNADB_SERVER_SECRET
+});
+
+/* export our lambda function as named "handler" export */
+exports.handler = async (event, context) => {
+  /* parse the string body into a useable JS object */
+  const data = JSON.parse(event.body);
+  console.log("Function `create` invoked", data);
+  const item = {
+    data: data
+  };
+  /* construct the fauna query */
+  return client
+    .query(q.Create(q.Ref("classes/items"), item))
+    .then(response => {
+      console.log("success", response);
+      /* Success! return the response with statusCode 200 */
+      return {
+        statusCode: 200,
+        body: JSON.stringify(response)
+      };
+    })
+    .catch(error => {
+      console.log("error", error);
+      /* Error! return the error with statusCode 400 */
+      return {
+        statusCode: 400,
+        body: JSON.stringify(error)
+      };
+    });
+};
diff --git a/src/functions-templates/js/fauna-crud/delete.js b/src/functions-templates/js/fauna-crud/delete.js
new file mode 100644
index 00000000000..f21c7ab8225
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/delete.js
@@ -0,0 +1,28 @@
+/* Import faunaDB sdk */
+const faunadb = require("faunadb");
+
+const q = faunadb.query;
+const client = new faunadb.Client({
+  secret: process.env.FAUNADB_SERVER_SECRET
+});
+
+exports.handler = async (event, context) => {
+  const id = event.id;
+  console.log(`Function 'delete' invoked. delete id: ${id}`);
+  return client
+    .query(q.Delete(q.Ref(`classes/items/${id}`)))
+    .then(response => {
+      console.log("success", response);
+      return {
+        statusCode: 200,
+        body: JSON.stringify(response)
+      };
+    })
+    .catch(error => {
+      console.log("error", error);
+      return {
+        statusCode: 400,
+        body: JSON.stringify(error)
+      };
+    });
+};
diff --git a/src/functions-templates/js/fauna-crud/fauna-crud.js b/src/functions-templates/js/fauna-crud/fauna-crud.js
new file mode 100644
index 00000000000..3d54dbca5d7
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/fauna-crud.js
@@ -0,0 +1,55 @@
+/* eslint-disable */
+exports.handler = async (event, context) => {
+  const path = event.path.replace(/\.netlify\/functions\/[^\/]+/, "");
+  const segments = path.split("/").filter(e => e);
+
+  switch (event.httpMethod) {
+    case "GET":
+      // e.g. GET /.netlify/functions/fauna-crud
+      if (segments.length === 0) {
+        return require("./read-all").handler(event, context);
+      }
+      // e.g. GET /.netlify/functions/fauna-crud/123456
+      if (segments.length === 1) {
+        event.id = segments[0];
+        return require("./read").handler(event, context);
+      } else {
+        return {
+          statusCode: 500,
+          body:
+            "too many segments in GET request, must be either /.netlify/functions/fauna-crud or /.netlify/functions/fauna-crud/123456"
+        };
+      }
+    case "POST":
+      // e.g. POST /.netlify/functions/fauna-crud with a body of key value pair objects, NOT strings
+      return require("./create").handler(event, context);
+    case "PUT":
+      // e.g. PUT /.netlify/functions/fauna-crud/123456 with a body of key value pair objects, NOT strings
+      if (segments.length === 1) {
+        event.id = segments[0];
+        return require("./update").handler(event, context);
+      } else {
+        return {
+          statusCode: 500,
+          body:
+            "invalid segments in POST request, must be /.netlify/functions/fauna-crud/123456"
+        };
+      }
+    case "DELETE":
+      // e.g. DELETE /.netlify/functions/fauna-crud/123456
+      if (segments.length === 1) {
+        event.id = segments[0];
+        return require("./delete").handler(event, context);
+      } else {
+        return {
+          statusCode: 500,
+          body:
+            "invalid segments in DELETE request, must be /.netlify/functions/fauna-crud/123456"
+        };
+      }
+  }
+  return {
+    statusCode: 500,
+    body: "unrecognized HTTP Method, must be one of GET/POST/PUT/DELETE"
+  };
+};
diff --git a/src/functions-templates/js/fauna-crud/package.json b/src/functions-templates/js/fauna-crud/package.json
new file mode 100644
index 00000000000..c6b343047e4
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "fauna-crud",
+  "version": "1.0.0",
+  "description": "netlify functions:create - CRUD functionality with Fauna DB",
+  "main": "fauna-crud.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "faunadb"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "faunadb": "^2.6.1"
+  }
+}
diff --git a/src/functions-templates/js/fauna-crud/read-all.js b/src/functions-templates/js/fauna-crud/read-all.js
new file mode 100644
index 00000000000..e271280b277
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/read-all.js
@@ -0,0 +1,34 @@
+/* Import faunaDB sdk */
+const faunadb = require("faunadb");
+
+const q = faunadb.query;
+const client = new faunadb.Client({
+  secret: process.env.FAUNADB_SERVER_SECRET
+});
+
+exports.handler = async (event, context) => {
+  console.log("Function `read-all` invoked");
+  return client
+    .query(q.Paginate(q.Match(q.Ref("indexes/all_items"))))
+    .then(response => {
+      const itemRefs = response.data;
+      // create new query out of item refs. http://bit.ly/2LG3MLg
+      const getAllItemsDataQuery = itemRefs.map(ref => {
+        return q.Get(ref);
+      });
+      // then query the refs
+      return client.query(getAllItemsDataQuery).then(ret => {
+        return {
+          statusCode: 200,
+          body: JSON.stringify(ret)
+        };
+      });
+    })
+    .catch(error => {
+      console.log("error", error);
+      return {
+        statusCode: 400,
+        body: JSON.stringify(error)
+      };
+    });
+};
diff --git a/src/functions-templates/js/fauna-crud/read.js b/src/functions-templates/js/fauna-crud/read.js
new file mode 100644
index 00000000000..84efa1706d3
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/read.js
@@ -0,0 +1,28 @@
+/* Import faunaDB sdk */
+const faunadb = require("faunadb");
+
+const q = faunadb.query;
+const client = new faunadb.Client({
+  secret: process.env.FAUNADB_SERVER_SECRET
+});
+
+exports.handler = async (event, context) => {
+  const id = event.id;
+  console.log(`Function 'read' invoked. Read id: ${id}`);
+  return client
+    .query(q.Get(q.Ref(`classes/items/${id}`)))
+    .then(response => {
+      console.log("success", response);
+      return {
+        statusCode: 200,
+        body: JSON.stringify(response)
+      };
+    })
+    .catch(error => {
+      console.log("error", error);
+      return {
+        statusCode: 400,
+        body: JSON.stringify(error)
+      };
+    });
+};
diff --git a/src/functions-templates/js/fauna-crud/update.js b/src/functions-templates/js/fauna-crud/update.js
new file mode 100644
index 00000000000..ee563defb03
--- /dev/null
+++ b/src/functions-templates/js/fauna-crud/update.js
@@ -0,0 +1,29 @@
+/* Import faunaDB sdk */
+const faunadb = require("faunadb");
+
+const q = faunadb.query;
+const client = new faunadb.Client({
+  secret: process.env.FAUNADB_SERVER_SECRET
+});
+
+exports.handler = async (event, context) => {
+  const data = JSON.parse(event.body);
+  const id = event.id;
+  console.log(`Function 'update' invoked. update id: ${id}`);
+  return client
+    .query(q.Update(q.Ref(`classes/items/${id}`), { data }))
+    .then(response => {
+      console.log("success", response);
+      return {
+        statusCode: 200,
+        body: JSON.stringify(response)
+      };
+    })
+    .catch(error => {
+      console.log("error", error);
+      return {
+        statusCode: 400,
+        body: JSON.stringify(error)
+      };
+    });
+};
diff --git a/src/functions-templates/js/fauna-graphql/.netlify-function-template.js b/src/functions-templates/js/fauna-graphql/.netlify-function-template.js
new file mode 100644
index 00000000000..9ae35c2199f
--- /dev/null
+++ b/src/functions-templates/js/fauna-graphql/.netlify-function-template.js
@@ -0,0 +1,16 @@
+const execa = require("execa");
+module.exports = {
+  name: "fauna-graphql",
+  description: "GraphQL Backend using Fauna DB",
+  addons: [
+    {
+      addonName: "fauna",
+      addonDidInstall(fnPath) {
+        execa.sync(fnPath + "/sync-schema.js", undefined, {
+          env: process.env,
+          stdio: "inherit"
+        });
+      }
+    }
+  ]
+};
diff --git a/src/functions-templates/js/fauna-graphql/fauna-graphql.js b/src/functions-templates/js/fauna-graphql/fauna-graphql.js
new file mode 100644
index 00000000000..9509cfa2424
--- /dev/null
+++ b/src/functions-templates/js/fauna-graphql/fauna-graphql.js
@@ -0,0 +1,45 @@
+const { ApolloServer, gql } = require("apollo-server-lambda");
+const { createHttpLink } = require("apollo-link-http");
+const fetch = require("node-fetch");
+const {
+  introspectSchema,
+  makeRemoteExecutableSchema
+} = require("graphql-tools");
+
+exports.handler = async function(event, context) {
+  /** required for Fauna GraphQL auth */
+  if (!process.env.FAUNADB_SERVER_SECRET) {
+    const msg = `
+    FAUNADB_SERVER_SECRET missing. 
+    Did you forget to install the fauna addon or forgot to run inside Netlify Dev?
+    `;
+    console.error(msg);
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ msg })
+    };
+  }
+  const b64encodedSecret = Buffer.from(
+    process.env.FAUNADB_SERVER_SECRET + ":" // weird but they
+  ).toString("base64");
+  const headers = { Authorization: `Basic ${b64encodedSecret}` };
+
+  /** standard creation of apollo-server executable schema */
+  const link = createHttpLink({
+    uri: "https://graphql.fauna.com/graphql", // modify as you see fit
+    fetch,
+    headers
+  });
+  const schema = await introspectSchema(link);
+  const executableSchema = makeRemoteExecutableSchema({
+    schema,
+    link
+  });
+  const server = new ApolloServer({
+    schema: executableSchema
+  });
+  return new Promise((yay, nay) => {
+    const cb = (err, args) => (err ? nay(err) : yay(args));
+    server.createHandler()(event, context, cb);
+  });
+};
diff --git a/src/functions-templates/js/fauna-graphql/package.json b/src/functions-templates/js/fauna-graphql/package.json
new file mode 100644
index 00000000000..98fb0212940
--- /dev/null
+++ b/src/functions-templates/js/fauna-graphql/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "fauna-graphql",
+  "version": "1.0.0",
+  "description": "netlify functions:create - set up for fauna db + apollo graphql",
+  "main": "fauna-graphql.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "apollo",
+    "fauna"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "apollo-link-http": "^1.5.14",
+    "apollo-link-context": "^1.0.17",
+    "apollo-server-lambda": "^2.4.8",
+    "graphql": "^14.1.1",
+    "graphql-tools": "^4.0.4",
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/fauna-graphql/schema.graphql b/src/functions-templates/js/fauna-graphql/schema.graphql
new file mode 100644
index 00000000000..c90dad504cc
--- /dev/null
+++ b/src/functions-templates/js/fauna-graphql/schema.graphql
@@ -0,0 +1,8 @@
+type Todo {
+  title: String!
+  completed: Boolean!
+}
+type Query {
+  allTodos: [Todo!]
+  todosByCompletedFlag(completed: Boolean!): [Todo!]
+}
diff --git a/src/functions-templates/js/fauna-graphql/sync-schema.js b/src/functions-templates/js/fauna-graphql/sync-schema.js
new file mode 100644
index 00000000000..aa146d9871b
--- /dev/null
+++ b/src/functions-templates/js/fauna-graphql/sync-schema.js
@@ -0,0 +1,40 @@
+#!/usr/bin/env node
+
+/* sync GraphQL schema to your FaunaDB account - use with `netlify dev:exec <path-to-this-file>` */
+function createFaunaGraphQL() {
+  if (!process.env.FAUNADB_SERVER_SECRET) {
+    console.log("No FAUNADB_SERVER_SECRET in environment, skipping DB setup");
+  }
+  console.log("Upload GraphQL Schema!");
+
+  const fetch = require("node-fetch");
+  const fs = require("fs");
+  const path = require("path");
+  var dataString = fs
+    .readFileSync(path.join(__dirname, "schema.graphql"))
+    .toString(); // name of your schema file
+
+  // encoded authorization header similar to https://www.npmjs.com/package/request#http-authentication
+  const token = Buffer.from(
+    process.env.FAUNADB_SERVER_SECRET + ":"
+  ).toString("base64");
+
+  var options = {
+    method: "POST",
+    body: dataString,
+    headers: { Authorization: `Basic ${token}` }
+  };
+
+  fetch("https://graphql.fauna.com/import", options)
+    // // uncomment for debugging
+    .then(res => res.text())
+    .then(body => {
+      console.log(
+        "Netlify Functions:Create - `fauna-graphql/sync-schema.js` success!"
+      );
+      console.log(body);
+    })
+    .catch(err => console.error("something wrong happened: ", { err }));
+}
+
+createFaunaGraphQL();
diff --git a/src/functions-templates/js/google-analytics/.netlify-function-template.js b/src/functions-templates/js/google-analytics/.netlify-function-template.js
new file mode 100644
index 00000000000..97672eacf26
--- /dev/null
+++ b/src/functions-templates/js/google-analytics/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "google-analytics",
+  description: "Google Analytics: proxy for GA on your domain to avoid adblock"
+};
diff --git a/src/functions-templates/js/google-analytics/google-analytics.js b/src/functions-templates/js/google-analytics/google-analytics.js
new file mode 100644
index 00000000000..cbad15cc745
--- /dev/null
+++ b/src/functions-templates/js/google-analytics/google-analytics.js
@@ -0,0 +1,129 @@
+// with thanks to https://github.com/codeniko/simple-tracker/blob/master/examples/server-examples/aws-lambda/google-analytics.js
+const request = require("request");
+const querystring = require("querystring");
+const uuidv4 = require("uuid/v4");
+
+const GA_ENDPOINT = `https://www.google-analytics.com/collect`;
+
+// Domains to whitelist. Replace with your own!
+const originWhitelist = []; // keep this empty and append domains to whitelist using whiteListDomain()
+whitelistDomain("test.com");
+whitelistDomain("nfeld.com");
+
+function whitelistDomain(domain, addWww = true) {
+  const prefixes = ["https://", "http://"];
+  if (addWww) {
+    prefixes.push("https://www.");
+    prefixes.push("http://www.");
+  }
+  prefixes.forEach(prefix => originWhitelist.push(prefix + domain));
+}
+
+function proxyToGoogleAnalytics(event, done) {
+  // get GA params whether GET or POST request
+  const params =
+    event.httpMethod.toUpperCase() === "GET"
+      ? event.queryStringParameters
+      : JSON.parse(event.body);
+  const headers = event.headers || {};
+
+  // attach other GA params, required for IP address since client doesn't have access to it. UA and CID can be sent from client
+  params.uip = headers["x-forwarded-for"] || headers["x-bb-ip"] || ""; // ip override. Look into headers for clients IP address, as opposed to IP address of host running lambda function
+  params.ua = params.ua || headers["user-agent"] || ""; // user agent override
+  params.cid = params.cid || uuidv4(); // REQUIRED: use given cid, or generate a new one as last resort. Generating should be avoided because one user can show up in GA multiple times. If user refresh page `n` times, you'll get `n` pageviews logged into GA from "different" users. Client should generate a uuid and store in cookies, local storage, or generate a fingerprint. Check simple-tracker client example
+
+  console.info("proxying params:", params);
+  const qs = querystring.stringify(params);
+
+  const reqOptions = {
+    method: "POST",
+    headers: {
+      "Content-Type": "image/gif"
+    },
+    url: GA_ENDPOINT,
+    body: qs
+  };
+
+  request(reqOptions, (error, result) => {
+    if (error) {
+      console.info("googleanalytics error!", error);
+    } else {
+      console.info(
+        "googleanalytics status code",
+        result.statusCode,
+        result.statusMessage
+      );
+    }
+  });
+
+  done();
+}
+
+exports.handler = function(event, context, callback) {
+  const origin = event.headers["origin"] || event.headers["Origin"] || "";
+  console.log(`Received ${event.httpMethod} request from, origin: ${origin}`);
+
+  const isOriginWhitelisted = originWhitelist.indexOf(origin) >= 0;
+  console.info("is whitelisted?", isOriginWhitelisted);
+
+  const headers = {
+    //'Access-Control-Allow-Origin': '*', // allow all domains to POST. Use for localhost development only
+    "Access-Control-Allow-Origin": isOriginWhitelisted
+      ? origin
+      : originWhitelist[0],
+    "Access-Control-Allow-Methods": "GET,POST,OPTIONS",
+    "Access-Control-Allow-Headers": "Content-Type,Accept"
+  };
+
+  const done = () => {
+    callback(null, {
+      statusCode: 200,
+      headers,
+      body: ""
+    });
+  };
+
+  const httpMethod = event.httpMethod.toUpperCase();
+
+  if (event.httpMethod === "OPTIONS") {
+    // CORS (required if you use a different subdomain to host this function, or a different domain entirely)
+    done();
+  } else if (
+    (httpMethod === "GET" || httpMethod === "POST") &&
+    isOriginWhitelisted
+  ) {
+    // allow GET or POST, but only for whitelisted domains
+    proxyToGoogleAnalytics(event, done);
+  } else {
+    callback("Not found");
+  }
+};
+
+/*
+ Docs on GA endpoint and example params
+
+ https://developers.google.com/analytics/devguides/collection/protocol/v1/devguide
+
+v: 1
+_v: j67
+a: 751874410
+t: pageview
+_s: 1
+dl: https://nfeld.com/contact.html
+dr: https://google.com
+ul: en-us
+de: UTF-8
+dt: Nikolay Feldman - Software Engineer
+sd: 24-bit
+sr: 1440x900
+vp: 945x777
+je: 0
+_u: blabla~
+jid: 
+gjid: 
+cid: 1837873423.1522911810
+tid: UA-116530991-1
+_gid: 1828045325.1524815793
+gtm: u4d
+z: 1379041260
+*/
diff --git a/src/functions-templates/js/google-analytics/package-lock.json b/src/functions-templates/js/google-analytics/package-lock.json
new file mode 100644
index 00000000000..9bd0c933e3c
--- /dev/null
+++ b/src/functions-templates/js/google-analytics/package-lock.json
@@ -0,0 +1,351 @@
+{
+  "name": "google-analytics",
+  "version": "1.0.0",
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+  "requires": true,
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+      "requires": {
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+    },
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+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
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+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
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+    },
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+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "requires": {
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+      }
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+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
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+        "jsbn": "~0.1.0",
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+      }
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+    },
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+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
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+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
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+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
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+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
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+      }
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+      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
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+      "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
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+        "har-validator": "~5.1.0",
+        "http-signature": "~1.2.0",
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+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
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+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
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+}
diff --git a/src/functions-templates/js/google-analytics/package.json b/src/functions-templates/js/google-analytics/package.json
new file mode 100644
index 00000000000..a12b9b59221
--- /dev/null
+++ b/src/functions-templates/js/google-analytics/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "google-analytics",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Google Analytics: proxy for GA on your domain to avoid adblock",
+  "main": "google-analytics.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "email",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "querystring": "^0.2.0",
+    "request": "^2.88.0",
+    "uuid": "^3.3.2"
+  }
+}
diff --git a/src/functions-templates/js/graphql-gateway/.netlify-function-template.js b/src/functions-templates/js/graphql-gateway/.netlify-function-template.js
new file mode 100644
index 00000000000..fe34af1f346
--- /dev/null
+++ b/src/functions-templates/js/graphql-gateway/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "graphql-gateway",
+  description:
+    "Apollo Server Lambda Gateway stitching schemas from other GraphQL Functions!"
+};
diff --git a/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-1.js b/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-1.js
new file mode 100644
index 00000000000..249b6b9d0c2
--- /dev/null
+++ b/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-1.js
@@ -0,0 +1,48 @@
+// not meant to be run inside the graqhql-gateway function
+// but just shows a copy-pastable example sibling function
+// that would work with graphql-gateway
+const { ApolloServer, gql } = require("apollo-server-lambda");
+
+const typeDefs = gql`
+  type Query {
+    hello: String
+    allAuthors: [Author!]
+    author(id: Int!): Author
+    authorByName(name: String!): Author
+  }
+  type Author {
+    id: ID!
+    name: String!
+    age: Int!
+  }
+`;
+
+const authors = [
+  { id: 1, name: "Terry Pratchett", age: 67 },
+  { id: 2, name: "Stephen King", age: 71 },
+  { id: 3, name: "JK Rowling", age: 53 }
+];
+
+const resolvers = {
+  Query: {
+    hello: (root, args, context) => {
+      return "Hello, world!";
+    },
+    allAuthors: (root, args, context) => {
+      return authors;
+    },
+    author: (root, args, context) => {
+      return;
+    },
+    authorByName: (root, args, context) => {
+      return authors.find(x => x.name === args.name) || "NOTFOUND";
+    }
+  }
+};
+
+const server = new ApolloServer({
+  typeDefs,
+  resolvers
+});
+
+exports.handler = server.createHandler();
diff --git a/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-2.js b/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-2.js
new file mode 100644
index 00000000000..7ee3beaf0e1
--- /dev/null
+++ b/src/functions-templates/js/graphql-gateway/example-sibling-function-graphql-2.js
@@ -0,0 +1,84 @@
+// not meant to be run inside the graqhql-gateway function
+// but just shows a copy-pastable example sibling function
+// that would work with graphql-gateway
+const { ApolloServer, gql } = require("apollo-server-lambda");
+
+const typeDefs = gql`
+  type Query {
+    hello: String
+    allBooks: [Book]
+    book(id: Int!): Book
+  }
+  type Book {
+    id: ID!
+    year: Int!
+    title: String!
+    authorName: String!
+  }
+`;
+
+const books = [
+  {
+    id: 1,
+    title: "The Philosopher's Stone",
+    year: 1997,
+    authorName: "JK Rowling"
+  },
+  {
+    id: 2,
+    title: "Pet Sematary",
+    year: 1983,
+    authorName: "Stephen King"
+  },
+  {
+    id: 3,
+    title: "Going Postal",
+    year: 2004,
+    authorName: "Terry Pratchett"
+  },
+  {
+    id: 4,
+    title: "Small Gods",
+    year: 1992,
+    authorName: "Terry Pratchett"
+  },
+  {
+    id: 5,
+    title: "Night Watch",
+    year: 2002,
+    authorName: "Terry Pratchett"
+  },
+  {
+    id: 6,
+    title: "The Shining",
+    year: 1977,
+    authorName: "Stephen King"
+  },
+  {
+    id: 7,
+    title: "The Deathly Hallows",
+    year: 2007,
+    authorName: "JK Rowling"
+  }
+];
+
+const resolvers = {
+  Query: {
+    hello: (root, args, context) => {
+      return "Hello, world!";
+    },
+    allBooks: (root, args, context) => {
+      return books;
+    },
+    book: (root, args, context) => {
+      return find(books, { id: args.id });
+    }
+  }
+};
+
+const server = new ApolloServer({
+  typeDefs,
+  resolvers
+});
+
+exports.handler = server.createHandler();
diff --git a/src/functions-templates/js/graphql-gateway/graphql-gateway.js b/src/functions-templates/js/graphql-gateway/graphql-gateway.js
new file mode 100644
index 00000000000..8de5ede1870
--- /dev/null
+++ b/src/functions-templates/js/graphql-gateway/graphql-gateway.js
@@ -0,0 +1,74 @@
+/**
+ * This code assumes you have other graphql Netlify functions
+ * and shows you how to stitch them together in a "gateway".
+ *
+ * Of course, feel free to modify this gateway to suit your needs.
+ */
+
+const {
+  introspectSchema,
+  makeRemoteExecutableSchema,
+  mergeSchemas
+} = require("graphql-tools");
+const { createHttpLink } = require("apollo-link-http");
+const fetch = require("node-fetch");
+const { ApolloServer, gql } = require("apollo-server-lambda");
+
+exports.handler = async function(event, context) {
+  const schema1 = await getSchema("graphql-1"); // other Netlify functions which are graphql lambdas
+  const schema2 = await getSchema("graphql-2"); // other Netlify functions which are graphql lambdas
+  const schemas = [schema1, schema2];
+
+  /**
+   * resolving -between- schemas
+   * https://www.apollographql.com/docs/graphql-tools/schema-stitching#adding-resolvers
+   */
+  const linkTypeDefs = `
+    extend type Book {
+      author: Author
+    }
+  `;
+  schemas.push(linkTypeDefs);
+  const resolvers = {
+    Book: {
+      author: {
+        fragment: `... on Book { authorName }`,
+        resolve(book, args, context, info) {
+          return info.mergeInfo.delegateToSchema({
+            schema: schema1,
+            operation: "query",
+            fieldName: "authorByName", // reuse what's implemented in schema1
+            args: {
+              name: book.authorName
+            },
+            context,
+            info
+          });
+        }
+      }
+    }
+  };
+
+  // more docs https://www.apollographql.com/docs/graphql-tools/schema-stitching#api
+  const schema = mergeSchemas({
+    schemas,
+    resolvers
+  });
+  const server = new ApolloServer({ schema });
+  return new Promise((yay, nay) => {
+    const cb = (err, args) => (err ? nay(err) : yay(args));
+    server.createHandler()(event, context, cb);
+  });
+};
+
+async function getSchema(endpoint) {
+  // you can't use relative URLs within Netlify Functions so need a base URL
+  // process.env.URL is one of many build env variables:
+  // https://www.netlify.com/docs/continuous-deployment/#build-environment-variables
+  // Netlify Dev only supports URL and DEPLOY URL for now
+  const uri = process.env.URL + "/.netlify/functions/" + endpoint;
+  const link = createHttpLink({ uri, fetch });
+  const schema = await introspectSchema(link);
+  const executableSchema = makeRemoteExecutableSchema({ schema, link });
+  return executableSchema;
+}
diff --git a/src/functions-templates/js/graphql-gateway/package.json b/src/functions-templates/js/graphql-gateway/package.json
new file mode 100644
index 00000000000..92394f648fd
--- /dev/null
+++ b/src/functions-templates/js/graphql-gateway/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "graphql-gateway",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Apollo Server Lambda Gateway stitching schemas from other GraphQL Functions!",
+  "main": "graphql-gateway.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "apollo"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "apollo-link-http": "^1.5.14",
+    "apollo-server-lambda": "^2.4.8",
+    "graphql": "^14.2.1",
+    "graphql-tools": "^4.0.4",
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/hasura-event-triggered/.netlify-function-template.js b/src/functions-templates/js/hasura-event-triggered/.netlify-function-template.js
new file mode 100644
index 00000000000..3701d9703d1
--- /dev/null
+++ b/src/functions-templates/js/hasura-event-triggered/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "hasura-event-triggered",
+  description:
+    "Hasura Cleaning: process a Hasura event and fire off a GraphQL mutation with processed text data"
+};
diff --git a/src/functions-templates/js/hasura-event-triggered/hasura-event-triggered.js b/src/functions-templates/js/hasura-event-triggered/hasura-event-triggered.js
new file mode 100644
index 00000000000..2b98c2222ee
--- /dev/null
+++ b/src/functions-templates/js/hasura-event-triggered/hasura-event-triggered.js
@@ -0,0 +1,37 @@
+// with thanks to https://github.com/vnovick/netlify-function-example/blob/master/functions/bad-words.js
+const axios = require("axios");
+const Filter = require("bad-words");
+const filter = new Filter();
+const hgeEndpoint = "https://live-coding-netlify.herokuapp.com";
+
+const query = `
+mutation verifiedp($id: uuid!, $title: String!, $content: String!) {
+  update_posts(_set: { verified: true, content: $content, title: $title }, 
+    where:{ id: { _eq: $id } }) {
+    returning {
+      id
+    }
+  }
+}
+`;
+
+exports.handler = async (event, context) => {
+  let request;
+  try {
+    request = JSON.parse(event.body);
+  } catch (e) {
+    return { statusCode: 400, body: "c annot parse hasura event" };
+  }
+
+  const variables = {
+    id: request.event.data.new.id,
+    title: filter.clean(request.event.data.new.title),
+    content: filter.clean(request.event.data.new.content)
+  };
+  try {
+    await axios.post(hgeEndpoint + "/v1alpha1/graphql", { query, variables });
+    return { statusCode: 200, body: "success" };
+  } catch (err) {
+    return { statusCode: 500, body: err.toString() };
+  }
+};
diff --git a/src/functions-templates/js/hasura-event-triggered/package.json b/src/functions-templates/js/hasura-event-triggered/package.json
new file mode 100644
index 00000000000..0ceb1e66ad8
--- /dev/null
+++ b/src/functions-templates/js/hasura-event-triggered/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "hasura-event-triggered",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Serverless function to process a Hasura event and fire off a GraphQL mutation with cleaned text data",
+  "main": "hasura-event-triggered.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js",
+    "hasura"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "axios": "^0.18.0",
+    "bad-words": "^3.0.2"
+  }
+}
diff --git a/src/functions-templates/js/hello-world/.netlify-function-template.js b/src/functions-templates/js/hello-world/.netlify-function-template.js
new file mode 100644
index 00000000000..fcb9a19f010
--- /dev/null
+++ b/src/functions-templates/js/hello-world/.netlify-function-template.js
@@ -0,0 +1,6 @@
+module.exports = {
+  name: "hello-world",
+  priority: 1,
+  description:
+    "Basic function that shows async/await usage, and response formatting"
+};
diff --git a/src/functions-templates/js/hello-world/hello-world.js b/src/functions-templates/js/hello-world/hello-world.js
new file mode 100644
index 00000000000..98ca5fae0ca
--- /dev/null
+++ b/src/functions-templates/js/hello-world/hello-world.js
@@ -0,0 +1,15 @@
+// Docs on event and context https://www.netlify.com/docs/functions/#the-handler-method
+exports.handler = async (event, context) => {
+  try {
+    const subject = event.queryStringParameters.name || "World";
+    return {
+      statusCode: 200,
+      body: JSON.stringify({ message: `Hello ${subject}` })
+      // // more keys you can return:
+      // headers: { "headerName": "headerValue", ... },
+      // isBase64Encoded: true,
+    };
+  } catch (err) {
+    return { statusCode: 500, body: err.toString() };
+  }
+};
diff --git a/src/functions-templates/js/identity-signup/.netlify-function-template.js b/src/functions-templates/js/identity-signup/.netlify-function-template.js
new file mode 100644
index 00000000000..c0ce20dc37a
--- /dev/null
+++ b/src/functions-templates/js/identity-signup/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "identity-signup",
+  description:
+    "Identity Signup: Triggered when a new Netlify Identity user confirms. Assigns roles and extra metadata"
+};
diff --git a/src/functions-templates/js/identity-signup/identity-signup.js b/src/functions-templates/js/identity-signup/identity-signup.js
new file mode 100644
index 00000000000..a8f0f2ff033
--- /dev/null
+++ b/src/functions-templates/js/identity-signup/identity-signup.js
@@ -0,0 +1,29 @@
+// note - this function MUST be named `identity-signup` to work
+// we do not yet offer local emulation of this functionality in Netlify Dev
+//
+// more:
+// https://www.netlify.com/blog/2019/02/21/the-role-of-roles-and-how-to-set-them-in-netlify-identity/
+// https://www.netlify.com/docs/functions/#identity-and-functions
+
+exports.handler = async function(event, context) {
+  const data = JSON.parse(event.body);
+  const { user } = data;
+
+  const responseBody = {
+    app_metadata: {
+      roles:
+        user.email.split("@")[1] === "trust-this-company.com"
+          ? ["editor"]
+          : ["visitor"],
+      my_user_info: "this is some user info"
+    },
+    user_metadata: {
+      ...user.user_metadata, // append current user metadata
+      custom_data_from_function: "hurray this is some extra metadata"
+    }
+  };
+  return {
+    statusCode: 200,
+    body: JSON.stringify(responseBody)
+  };
+};
diff --git a/src/functions-templates/js/node-fetch/.netlify-function-template.js b/src/functions-templates/js/node-fetch/.netlify-function-template.js
new file mode 100644
index 00000000000..a363b9aba5a
--- /dev/null
+++ b/src/functions-templates/js/node-fetch/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "node-fetch",
+  description:
+    "Fetch function: uses node-fetch to hit an external API without CORS issues"
+};
diff --git a/src/functions-templates/js/node-fetch/node-fetch.js b/src/functions-templates/js/node-fetch/node-fetch.js
new file mode 100644
index 00000000000..4693b007da3
--- /dev/null
+++ b/src/functions-templates/js/node-fetch/node-fetch.js
@@ -0,0 +1,25 @@
+/* eslint-disable */
+const fetch = require("node-fetch");
+exports.handler = async function(event, context) {
+  try {
+    const response = await fetch("https://icanhazdadjoke.com", {
+      headers: { Accept: "application/json" }
+    });
+    if (!response.ok) {
+      // NOT res.status >= 200 && res.status < 300
+      return { statusCode: response.status, body: response.statusText };
+    }
+    const data = await response.json();
+
+    return {
+      statusCode: 200,
+      body: JSON.stringify({ msg: data.joke })
+    };
+  } catch (err) {
+    console.log(err); // output to netlify function log
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ msg: err.message }) // Could be a custom message or object i.e. JSON.stringify(err)
+    };
+  }
+};
diff --git a/src/functions-templates/js/node-fetch/package.json b/src/functions-templates/js/node-fetch/package.json
new file mode 100644
index 00000000000..3bf7b10f120
--- /dev/null
+++ b/src/functions-templates/js/node-fetch/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "node-fetch",
+  "version": "1.0.0",
+  "description": "netlify functions:create - default template for node fetch function",
+  "main": "node-fetch.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/oauth-passport/.netlify-function-template.js b/src/functions-templates/js/oauth-passport/.netlify-function-template.js
new file mode 100644
index 00000000000..58a06653c50
--- /dev/null
+++ b/src/functions-templates/js/oauth-passport/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "oauth-passport",
+  description:
+    "oauth-passport: template for Oauth workflow using Passport + Express.js"
+};
diff --git a/src/functions-templates/js/oauth-passport/oauth-passport.js b/src/functions-templates/js/oauth-passport/oauth-passport.js
new file mode 100644
index 00000000000..b7bc7d547cf
--- /dev/null
+++ b/src/functions-templates/js/oauth-passport/oauth-passport.js
@@ -0,0 +1,42 @@
+// details: https://markus.oberlehner.net/blog/implementing-an-authentication-flow-with-passport-and-netlify-functions/
+
+const bodyParser = require("body-parser");
+const cookieParser = require("cookie-parser");
+const express = require("express");
+const passport = require("passport");
+const serverless = require("serverless-http");
+
+require("./utils/auth");
+
+const { COOKIE_SECURE, ENDPOINT } = require("./utils/config");
+
+const app = express();
+
+app.use(bodyParser.urlencoded({ extended: true }));
+app.use(bodyParser.json());
+app.use(cookieParser());
+app.use(passport.initialize());
+
+const handleCallback = () => (req, res) => {
+  res
+    .cookie("jwt", req.user.jwt, { httpOnly: true, COOKIE_SECURE })
+    .redirect("/");
+};
+
+app.get(
+  `${ENDPOINT}/auth/github`,
+  passport.authenticate("github", { session: false })
+);
+app.get(
+  `${ENDPOINT}/auth/github/callback`,
+  passport.authenticate("github", { failureRedirect: "/", session: false }),
+  handleCallback()
+);
+
+app.get(
+  `${ENDPOINT}/auth/status`,
+  passport.authenticate("jwt", { session: false }),
+  (req, res) => res.json({ email: req.user.email })
+);
+
+module.exports.handler = serverless(app);
diff --git a/src/functions-templates/js/oauth-passport/package.json b/src/functions-templates/js/oauth-passport/package.json
new file mode 100644
index 00000000000..7d3082c3a40
--- /dev/null
+++ b/src/functions-templates/js/oauth-passport/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "oauth-passport",
+  "version": "1.0.0",
+  "description": "netlify functions:create - template for Oauth workflow using Passport + Express.js",
+  "main": "oauth-passport.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "cookie-parser": "^1.4.4",
+    "express": "^4.17.1",
+    "jsonwebtoken": "^8.5.1",
+    "passport": "^0.4.0",
+    "passport-github2": "^0.1.11",
+    "passport-jwt": "^4.0.0",
+    "serverless-http": "^2.0.2"
+  }
+}
diff --git a/src/functions-templates/js/oauth-passport/utils/auth.js b/src/functions-templates/js/oauth-passport/utils/auth.js
new file mode 100644
index 00000000000..cb7d0ccaab7
--- /dev/null
+++ b/src/functions-templates/js/oauth-passport/utils/auth.js
@@ -0,0 +1,56 @@
+const { sign } = require('jsonwebtoken')
+const { Strategy: GitHubStrategy } = require('passport-github2')
+const passport = require('passport')
+const passportJwt = require('passport-jwt')
+
+const { BASE_URL, ENDPOINT, GITHUB_CLIENT_ID, GITHUB_CLIENT_SECRET, SECRET } = require('./config')
+
+function authJwt(email) {
+  return sign({ user: { email } }, SECRET)
+}
+
+passport.use(
+  new GitHubStrategy(
+    {
+      clientID: GITHUB_CLIENT_ID,
+      clientSecret: GITHUB_CLIENT_SECRET,
+      callbackURL: `${BASE_URL}${ENDPOINT}/auth/github/callback`,
+      scope: ['user:email'],
+    },
+    async (accessToken, refreshToken, profile, done) => {
+      try {
+        const email = profile.emails[0].value
+        // Here you'd typically create a new or load an existing user and
+        // store the bare necessary informations about the user in the JWT.
+        const jwt = authJwt(email)
+
+        return done(null, { email, jwt })
+      } catch (error) {
+        return done(error)
+      }
+    },
+  ),
+)
+
+passport.use(
+  new passportJwt.Strategy(
+    {
+      jwtFromRequest(req) {
+        if (!req.cookies) throw new Error('Missing cookie-parser middleware')
+        return req.cookies.jwt
+      },
+      secretOrKey: SECRET,
+    },
+    async ({ user: { email } }, done) => {
+      try {
+        // Here you'd typically load an existing user
+        // and use the data to create the JWT.
+        const jwt = authJwt(email)
+
+        return done(null, { email, jwt })
+      } catch (error) {
+        return done(error)
+      }
+    },
+  ),
+)
diff --git a/src/functions-templates/js/oauth-passport/utils/config.js b/src/functions-templates/js/oauth-passport/utils/config.js
new file mode 100644
index 00000000000..81c401ad7d8
--- /dev/null
+++ b/src/functions-templates/js/oauth-passport/utils/config.js
@@ -0,0 +1,13 @@
+// lambda/utils/config.js
+// Circumvent problem with Netlify CLI.
+// https://github.com/netlify/netlify-dev-plugin/issues/147
+exports.BASE_URL = process.env.NODE_ENV === 'development' ? 'http://localhost:8888' : process.env.BASE_URL
+
+exports.COOKIE_SECURE = process.env.NODE_ENV !== 'development'
+
+exports.ENDPOINT = process.env.NODE_ENV === 'development' ? '/.netlify/functions' : '/api'
+
+exports.GITHUB_CLIENT_ID = process.env.GITHUB_CLIENT_ID
+exports.GITHUB_CLIENT_SECRET = process.env.GITHUB_CLIENT_SECRET
+
+exports.SECRET = process.env.SECRET || 'SUPERSECRET'
diff --git a/src/functions-templates/js/protected-function/.netlify-function-template.js b/src/functions-templates/js/protected-function/.netlify-function-template.js
new file mode 100644
index 00000000000..b5ca416ceaa
--- /dev/null
+++ b/src/functions-templates/js/protected-function/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "protected-function",
+  description: "Function protected Netlify Identity authentication"
+};
diff --git a/src/functions-templates/js/protected-function/protected-function.js b/src/functions-templates/js/protected-function/protected-function.js
new file mode 100644
index 00000000000..7c96c71b7f3
--- /dev/null
+++ b/src/functions-templates/js/protected-function/protected-function.js
@@ -0,0 +1,23 @@
+exports.handler = async (event, context) => {
+  console.log("protected function!");
+  // Reading the context.clientContext will give us the current user
+  const claims = context.clientContext && context.clientContext.user;
+  console.log("user claims", claims);
+
+  if (!claims) {
+    console.log("No claims! Begone!");
+    return {
+      statusCode: 401,
+      body: JSON.stringify({
+        data: "NOT ALLOWED"
+      })
+    };
+  }
+
+  return {
+    statusCode: 200,
+    body: JSON.stringify({
+      data: "auth true"
+    })
+  };
+};
diff --git a/src/functions-templates/js/send-email/.netlify-function-template.js b/src/functions-templates/js/send-email/.netlify-function-template.js
new file mode 100644
index 00000000000..0b5e9247b94
--- /dev/null
+++ b/src/functions-templates/js/send-email/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "send-email",
+  description: "Send Email: Send email with no SMTP server via 'sendmail' pkg"
+};
diff --git a/src/functions-templates/js/send-email/package.json b/src/functions-templates/js/send-email/package.json
new file mode 100644
index 00000000000..a65e13f3ddc
--- /dev/null
+++ b/src/functions-templates/js/send-email/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "send-email",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Send email with no SMTP server via 'sendmail' pkg",
+  "main": "send-email.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "email",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "sendmail": "1.4.1"
+  }
+}
diff --git a/src/functions-templates/js/send-email/send-email.js b/src/functions-templates/js/send-email/send-email.js
new file mode 100644
index 00000000000..80a4d19901f
--- /dev/null
+++ b/src/functions-templates/js/send-email/send-email.js
@@ -0,0 +1,62 @@
+// with thanks to https://github.com/Urigo/graphql-modules/blob/8cb2fd7d9938a856f83e4eee2081384533771904/website/lambda/contact.js
+const sendMail = require("sendmail")();
+const { validateEmail, validateLength } = require("./validations");
+
+exports.handler = (event, context, callback) => {
+  if (!process.env.CONTACT_EMAIL) {
+    return callback(null, {
+      statusCode: 500,
+      body: "process.env.CONTACT_EMAIL must be defined"
+    });
+  }
+
+  const body = JSON.parse(event.body);
+
+  try {
+    validateLength("body.name", body.name, 3, 50);
+  } catch (e) {
+    return callback(null, {
+      statusCode: 403,
+      body: e.message
+    });
+  }
+
+  try {
+    validateEmail("body.email", body.email);
+  } catch (e) {
+    return callback(null, {
+      statusCode: 403,
+      body: e.message
+    });
+  }
+
+  try {
+    validateLength("body.details", body.details, 10, 1000);
+  } catch (e) {
+    return callback(null, {
+      statusCode: 403,
+      body: e.message
+    });
+  }
+
+  const descriptor = {
+    from: `"${body.email}" <no-reply@gql-modules.com>`,
+    to: process.env.CONTACT_EMAIL,
+    subject: `${body.name} sent you a message from gql-modules.com`,
+    text: body.details
+  };
+
+  sendMail(descriptor, e => {
+    if (e) {
+      callback(null, {
+        statusCode: 500,
+        body: e.message
+      });
+    } else {
+      callback(null, {
+        statusCode: 200,
+        body: ""
+      });
+    }
+  });
+};
diff --git a/src/functions-templates/js/send-email/validations.js b/src/functions-templates/js/send-email/validations.js
new file mode 100644
index 00000000000..6c52428c777
--- /dev/null
+++ b/src/functions-templates/js/send-email/validations.js
@@ -0,0 +1,35 @@
+exports.validateEmail = (ctx, str) => {
+  if (typeof str !== "string" && !(str instanceof String)) {
+    throw TypeError(`${ctx} must be a string`);
+  }
+
+  exports.validateLength(ctx, str, 5, 30);
+
+  if (!/^[\w.-]+@[\w.-]+\.\w+$/.test(str)) {
+    throw TypeError(`${ctx} is not an email address`);
+  }
+};
+
+exports.validateLength = (ctx, str, ...args) => {
+  let min, max;
+
+  if (args.length === 1) {
+    min = 0;
+    max = args[0];
+  } else {
+    min = args[0];
+    max = args[1];
+  }
+
+  if (typeof str !== "string" && !(str instanceof String)) {
+    throw TypeError(`${ctx} must be a string`);
+  }
+
+  if (str.length < min) {
+    throw TypeError(`${ctx} must be at least ${min} chars long`);
+  }
+
+  if (str.length > max) {
+    throw TypeError(`${ctx} must contain ${max} chars at most`);
+  }
+};
diff --git a/src/functions-templates/js/serverless-ssr/.netlify-function-template.js b/src/functions-templates/js/serverless-ssr/.netlify-function-template.js
new file mode 100644
index 00000000000..e7092cf186b
--- /dev/null
+++ b/src/functions-templates/js/serverless-ssr/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "serverless-ssr",
+  description: "Dynamic serverside rendering via functions"
+};
diff --git a/src/functions-templates/js/serverless-ssr/app/index.js b/src/functions-templates/js/serverless-ssr/app/index.js
new file mode 100644
index 00000000000..952511cb62f
--- /dev/null
+++ b/src/functions-templates/js/serverless-ssr/app/index.js
@@ -0,0 +1,118 @@
+/* Express App */
+const express = require("express");
+const cors = require("cors");
+const morgan = require("morgan");
+const bodyParser = require("body-parser");
+const compression = require("compression");
+
+/* My express App */
+module.exports = function expressApp(functionName) {
+  const app = express();
+  const router = express.Router();
+
+  // gzip responses
+  router.use(compression());
+
+  // Set router base path for local dev
+  const routerBasePath =
+    process.env.NODE_ENV === "dev"
+      ? `/${functionName}`
+      : `/.netlify/functions/${functionName}/`;
+
+  /* define routes */
+  router.get("/", (req, res) => {
+    const html = `
+    <html>
+      <head>
+        <style>
+          body {
+            padding: 30px;
+          }
+        </style>
+      </head>
+      <body>
+        <h1>Express via '${functionName}' ⊂◉‿◉つ</h1>
+
+        <p>I'm using Express running via a <a href='https://www.netlify.com/docs/functions/' target='_blank'>Netlify Function</a>.</p>
+
+        <p>Choose a route:</p>
+
+        <div>
+          <a href='/.netlify/functions/${functionName}/users'>View /users route</a>
+        </div>
+
+        <div>
+          <a href='/.netlify/functions/${functionName}/hello'>View /hello route</a>
+        </div>
+
+        <br/>
+        <br/>
+
+        <div>
+          <a href='/'>
+            Go back to demo homepage
+          </a>
+        </div>
+
+        <br/>
+        <br/>
+
+        <div>
+          <a href='https://github.com/DavidWells/netlify-functions-express' target='_blank'>
+            See the source code on github
+          </a>
+        </div>
+      </body>
+    </html>
+  `;
+    res.send(html);
+  });
+
+  router.get("/users", (req, res) => {
+    res.json({
+      users: [
+        {
+          name: "steve"
+        },
+        {
+          name: "joe"
+        }
+      ]
+    });
+  });
+
+  router.get("/hello/", function(req, res) {
+    res.send("hello world");
+  });
+
+  // Attach logger
+  app.use(morgan(customLogger));
+
+  // Setup routes
+  app.use(routerBasePath, router);
+
+  // Apply express middlewares
+  router.use(cors());
+  router.use(bodyParser.json());
+  router.use(bodyParser.urlencoded({ extended: true }));
+
+  return app;
+};
+
+function customLogger(tokens, req, res) {
+  const log = [
+    tokens.method(req, res),
+    tokens.url(req, res),
+    tokens.status(req, res),
+    tokens.res(req, res, "content-length"),
+    "-",
+    tokens["response-time"](req, res),
+    "ms"
+  ].join(" ");
+
+  if (process.env.NODE_ENV !== "dev") {
+    // Log only in AWS context to get back function logs
+    console.log(log);
+  }
+  return log;
+}
diff --git a/src/functions-templates/js/serverless-ssr/package.json b/src/functions-templates/js/serverless-ssr/package.json
new file mode 100644
index 00000000000..743b04c340d
--- /dev/null
+++ b/src/functions-templates/js/serverless-ssr/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "serverless-ssr",
+  "version": "1.0.0",
+  "description": "netlify functions:create - default template for a serverless SSR function",
+  "main": "serverless-ssr.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "body-parser": "^1.18.3",
+    "compression": "^1.7.4",
+    "cors": "^2.8.5",
+    "express": "^4.16.4",
+    "morgan": "^1.9.1",
+    "node-fetch": "^2.3.0",
+    "serverless-http": "^1.9.1"
+  }
+}
diff --git a/src/functions-templates/js/serverless-ssr/serverless-http.js b/src/functions-templates/js/serverless-ssr/serverless-http.js
new file mode 100644
index 00000000000..cb4800d246e
--- /dev/null
+++ b/src/functions-templates/js/serverless-ssr/serverless-http.js
@@ -0,0 +1,12 @@
+// for a full working demo check https://express-via-functions.netlify.com/.netlify/functions/serverless-http
+const serverless = require("serverless-http");
+const expressApp = require("./app");
+
+// We need to define our function name for express routes to set the correct base path
+const functionName = "serverless-http";
+
+// Initialize express app
+const app = expressApp(functionName);
+
+// Export lambda handler
+exports.handler = serverless(app);
diff --git a/src/functions-templates/js/serverless-ssr/serverless-ssr.js b/src/functions-templates/js/serverless-ssr/serverless-ssr.js
new file mode 100644
index 00000000000..cb4800d246e
--- /dev/null
+++ b/src/functions-templates/js/serverless-ssr/serverless-ssr.js
@@ -0,0 +1,12 @@
+// for a full working demo check https://express-via-functions.netlify.com/.netlify/functions/serverless-http
+const serverless = require("serverless-http");
+const expressApp = require("./app");
+
+// We need to define our function name for express routes to set the correct base path
+const functionName = "serverless-http";
+
+// Initialize express app
+const app = expressApp(functionName);
+
+// Export lambda handler
+exports.handler = serverless(app);
diff --git a/src/functions-templates/js/set-cookie/.netlify-function-template.js b/src/functions-templates/js/set-cookie/.netlify-function-template.js
new file mode 100644
index 00000000000..c0a9498127a
--- /dev/null
+++ b/src/functions-templates/js/set-cookie/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "set-cookie",
+  description: "Set a cookie alongside your function"
+};
diff --git a/src/functions-templates/js/set-cookie/package.json b/src/functions-templates/js/set-cookie/package.json
new file mode 100644
index 00000000000..dccf0e31f8c
--- /dev/null
+++ b/src/functions-templates/js/set-cookie/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "set-cookie",
+  "version": "1.0.0",
+  "description": "netlify functions:create - set a cookie with your Netlify Function",
+  "main": "set-cookie",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "cookie": "^0.3.1"
+  }
+}
diff --git a/src/functions-templates/js/set-cookie/set-cookie.js b/src/functions-templates/js/set-cookie/set-cookie.js
new file mode 100644
index 00000000000..77b6022352b
--- /dev/null
+++ b/src/functions-templates/js/set-cookie/set-cookie.js
@@ -0,0 +1,41 @@
+const cookie = require("cookie");
+
+exports.handler = async (event, context) => {
+  var hour = 3600000;
+  var twoWeeks = 14 * 24 * hour;
+  const myCookie = cookie.serialize("my_cookie", "lolHi", {
+    secure: true,
+    httpOnly: true,
+    path: "/",
+    maxAge: twoWeeks
+  });
+
+  const redirectUrl = "https://google.com";
+  // Do redirects via html
+  const html = `
+  <html lang="en">
+    <head>
+      <meta charset="utf-8">
+    </head>
+    <body>
+      <noscript>
+        <meta http-equiv="refresh" content="0; url=${redirectUrl}" />
+      </noscript>
+    </body>
+    <script>
+      setTimeout(function(){
+        window.location.href = ${JSON.stringify(redirectUrl)}
+      }, 0)
+    </script>
+  </html>`;
+
+  return {
+    statusCode: 200,
+    headers: {
+      "Set-Cookie": myCookie,
+      "Cache-Control": "no-cache",
+      "Content-Type": "text/html"
+    },
+    body: html
+  };
+};
diff --git a/src/functions-templates/js/slack-rate-limit/.netlify-function-template.js b/src/functions-templates/js/slack-rate-limit/.netlify-function-template.js
new file mode 100644
index 00000000000..698bfd1088c
--- /dev/null
+++ b/src/functions-templates/js/slack-rate-limit/.netlify-function-template.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: "slack-rate-limit",
+  description:
+    "Slack Rate-limit: post to Slack, at most once an hour, using Neltify Identity metadata"
+};
diff --git a/src/functions-templates/js/slack-rate-limit/package.json b/src/functions-templates/js/slack-rate-limit/package.json
new file mode 100644
index 00000000000..edd17b8fc29
--- /dev/null
+++ b/src/functions-templates/js/slack-rate-limit/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "slack-rate-limit",
+  "version": "1.0.0",
+  "description": "netlify functions:create - post to Slack, at most once an hour, using Neltify Identity metadata",
+  "main": "node-fetch.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "slack",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/slack-rate-limit/slack-rate-limit.js b/src/functions-templates/js/slack-rate-limit/slack-rate-limit.js
new file mode 100644
index 00000000000..1484c1c3852
--- /dev/null
+++ b/src/functions-templates/js/slack-rate-limit/slack-rate-limit.js
@@ -0,0 +1,129 @@
+// code walkthrough: https://www.netlify.com/blog/2018/03/29/jamstack-architecture-on-netlify-how-identity-and-functions-work-together/#updating-user-data-with-the-identity-api
+// demo repo: https://github.com/biilmann/testing-slack-tutorial/tree/v3-one-message-an-hour
+// note: requires SLACK_WEBHOOK_URL environment variable
+const slackURL = process.env.SLACK_WEBHOOK_URL;
+const fetch = require("node-fetch");
+
+class IdentityAPI {
+  constructor(apiURL, token) {
+    this.apiURL = apiURL;
+    this.token = token;
+  }
+
+  headers(headers = {}) {
+    return {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${this.token}`,
+      ...headers
+    };
+  }
+
+  parseJsonResponse(response) {
+    return response.json().then(json => {
+      if (!response.ok) {
+        return Promise.reject({ status: response.status, json });
+      }
+
+      return json;
+    });
+  }
+
+  request(path, options = {}) {
+    const headers = this.headers(options.headers || {});
+    return fetch(this.apiURL + path, { ...options, headers }).then(response => {
+      const contentType = response.headers.get("Content-Type");
+      if (contentType && contentType.match(/json/)) {
+        return this.parseJsonResponse(response);
+      }
+
+      if (!response.ok) {
+        return response.text().then(data => {
+          return Promise.reject({ stauts: response.status, data });
+        });
+      }
+      return response.text().then(data => {
+        data;
+      });
+    });
+  }
+}
+
+/*
+  Fetch a user from GoTrue via id
+*/
+function fetchUser(identity, id) {
+  const api = new IdentityAPI(identity.url, identity.token);
+  return api.request(`/admin/users/${id}`);
+}
+
+/*
+ Update the app_metadata of a user
+*/
+function updateUser(identity, user, app_metadata) {
+  const api = new IdentityAPI(identity.url, identity.token);
+  const new_app_metadata = { ...user.app_metadata, ...app_metadata };
+
+  return api.request(`/admin/users/${user.id}`, {
+    method: "PUT",
+    body: JSON.stringify({ app_metadata: new_app_metadata })
+  });
+}
+
+const oneHour = 60 * 60 * 1000;
+export function handler(event, context, callback) {
+  if (event.httpMethod !== "POST") {
+    return callback(null, {
+      statusCode: 410,
+      body: "Unsupported Request Method"
+    });
+  }
+
+  const claims = context.clientContext && context.clientContext.user;
+  if (!claims) {
+    return callback(null, {
+      statusCode: 401,
+      body: "You must be signed in to call this function"
+    });
+  }
+
+  fetchUser(context.clientContext.identity, claims.sub).then(user => {
+    const lastMessage = new Date(
+      user.app_metadata.last_message_at || 0
+    ).getTime();
+    const cutOff = new Date().getTime() - oneHour;
+    if (lastMessage > cutOff) {
+      return callback(null, {
+        statusCode: 401,
+        body: "Only one message an hour allowed"
+      });
+    }
+
+    try {
+      const payload = JSON.parse(event.body);
+
+      fetch(slackURL, {
+        method: "POST",
+        body: JSON.stringify({
+          text: payload.text,
+          attachments: [{ text: `From ${user.email}` }]
+        })
+      })
+        .then(() =>
+          updateUser(context.clientContext.identity, user, {
+            last_message_at: new Date().getTime()
+          })
+        )
+        .then(() => {
+          callback(null, { statusCode: 204 });
+        })
+        .catch(err => {
+          callback(null, {
+            statusCode: 500,
+            body: "Internal Server Error: " + e
+          });
+        });
+    } catch (e) {
+      callback(null, { statusCode: 500, body: "Internal Server Error: " + e });
+    }
+  });
+}
diff --git a/src/functions-templates/js/stripe-charge/.netlify-function-template.js b/src/functions-templates/js/stripe-charge/.netlify-function-template.js
new file mode 100644
index 00000000000..3cf418f9457
--- /dev/null
+++ b/src/functions-templates/js/stripe-charge/.netlify-function-template.js
@@ -0,0 +1,31 @@
+const chalk = require("chalk");
+
+module.exports = {
+  name: "stripe-charge",
+  description: "Stripe Charge: Charge a user with Stripe",
+  async onComplete() {
+    console.log(
+      `${chalk.yellow("stripe-charge")} function created from template!`
+    );
+    if (!process.env.STRIPE_SECRET_KEY) {
+      console.log(
+        `note this function requires ${chalk.yellow(
+          "STRIPE_SECRET_KEY"
+        )} build environment variable set in your Netlify Site.`
+      );
+      let siteData = { name: "YOURSITENAMEHERE" };
+      try {
+        siteData = await this.netlify.api.getSite({
+          siteId: this.netlify.site.id
+        });
+      } catch (e) {
+        // silent error, not important
+      }
+      console.log(
+        `Set it at: https://app.netlify.com/sites/${
+          siteData.name
+        }/settings/deploys#environment-variables (must have CD setup)`
+      );
+    }
+  }
+};
diff --git a/src/functions-templates/js/stripe-charge/package-lock.json b/src/functions-templates/js/stripe-charge/package-lock.json
new file mode 100644
index 00000000000..024f7967a3a
--- /dev/null
+++ b/src/functions-templates/js/stripe-charge/package-lock.json
@@ -0,0 +1,39 @@
+{
+  "name": "stripe-charge",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
+    },
+    "qs": {
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+    },
+    "safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
+    "stripe": {
+      "version": "6.28.0",
+      "resolved": "https://registry.npmjs.org/stripe/-/stripe-6.28.0.tgz",
+      "integrity": "sha512-4taF37geIr9DqvWEm3G9VCz2iJSV/DFc3PcElCQdQK5GUMI/MOj6XE0oJRYMOAHz0Oq8pT+4yDQmkh3SDI3nQA==",
+      "requires": {
+        "lodash.isplainobject": "^4.0.6",
+        "qs": "^6.6.0",
+        "safe-buffer": "^5.1.1",
+        "uuid": "^3.3.2"
+      }
+    },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+    }
+  }
+}
diff --git a/src/functions-templates/js/stripe-charge/package.json b/src/functions-templates/js/stripe-charge/package.json
new file mode 100644
index 00000000000..6025273c245
--- /dev/null
+++ b/src/functions-templates/js/stripe-charge/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "stripe-charge",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Charge a user with Stripe",
+  "main": "stripe-charge.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "stripe",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "stripe": "^6.28.0"
+  }
+}
diff --git a/src/functions-templates/js/stripe-charge/stripe-charge.js b/src/functions-templates/js/stripe-charge/stripe-charge.js
new file mode 100644
index 00000000000..64fa6258dbd
--- /dev/null
+++ b/src/functions-templates/js/stripe-charge/stripe-charge.js
@@ -0,0 +1,65 @@
+// with thanks https://github.com/alexmacarthur/netlify-lambda-function-example/blob/68a0cdc05e201d68fe80b0926b0af7ff88f15802/lambda-src/purchase.js
+
+const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
+
+const statusCode = 200;
+const headers = {
+  "Access-Control-Allow-Origin": "*",
+  "Access-Control-Allow-Headers": "Content-Type"
+};
+
+exports.handler = function(event, context, callback) {
+  //-- We only care to do anything if this is our POST request.
+  if (event.httpMethod !== "POST" || !event.body) {
+    callback(null, {
+      statusCode,
+      headers,
+      body: ""
+    });
+  }
+
+  //-- Parse the body contents into an object.
+  const data = JSON.parse(event.body);
+
+  //-- Make sure we have all required data. Otherwise, escape.
+  if (!data.token || !data.amount || !data.idempotency_key) {
+    console.error("Required information is missing.");
+
+    callback(null, {
+      statusCode,
+      headers,
+      body: JSON.stringify({ status: "missing-information" })
+    });
+
+    return;
+  }
+
+  stripe.charges.create(
+    {
+      currency: "usd",
+      amount: data.amount,
+      source: data.token.id,
+      receipt_email: data.token.email,
+      description: `charge for a widget`
+    },
+    {
+      idempotency_key: data.idempotency_key
+    },
+    (err, charge) => {
+      if (err !== null) {
+        console.log(err);
+      }
+
+      let status =
+        charge === null || charge.status !== "succeeded"
+          ? "failed"
+          : charge.status;
+
+      callback(null, {
+        statusCode,
+        headers,
+        body: JSON.stringify({ status })
+      });
+    }
+  );
+};
diff --git a/src/functions-templates/js/stripe-subscription/.netlify-function-template.js b/src/functions-templates/js/stripe-subscription/.netlify-function-template.js
new file mode 100644
index 00000000000..9c8d13233b3
--- /dev/null
+++ b/src/functions-templates/js/stripe-subscription/.netlify-function-template.js
@@ -0,0 +1,31 @@
+const chalk = require("chalk");
+
+module.exports = {
+  name: "stripe-subscription",
+  description: "Stripe subscription: Create a subscription with Stripe",
+  async onComplete() {
+    console.log(
+      `${chalk.yellow("stripe-subscription")} function created from template!`
+    );
+    if (!process.env.STRIPE_SECRET_KEY) {
+      console.log(
+        `note this function requires ${chalk.yellow(
+          "STRIPE_SECRET_KEY"
+        )} build environment variable set in your Netlify Site.`
+      );
+      let siteData = { name: "YOURSITENAMEHERE" };
+      try {
+        siteData = await this.netlify.api.getSite({
+          siteId: this.netlify.site.id
+        });
+      } catch (e) {
+        // silent error, not important
+      }
+      console.log(
+        `Set it at: https://app.netlify.com/sites/${
+          siteData.name
+        }/settings/deploys#environment-variables (must have CD setup)`
+      );
+    }
+  }
+};
diff --git a/src/functions-templates/js/stripe-subscription/package-lock.json b/src/functions-templates/js/stripe-subscription/package-lock.json
new file mode 100644
index 00000000000..024f7967a3a
--- /dev/null
+++ b/src/functions-templates/js/stripe-subscription/package-lock.json
@@ -0,0 +1,39 @@
+{
+  "name": "stripe-charge",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha1-fFJqUtibRcRcxpC4gWO+BJf1UMs="
+    },
+    "qs": {
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+    },
+    "safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
+    "stripe": {
+      "version": "6.28.0",
+      "resolved": "https://registry.npmjs.org/stripe/-/stripe-6.28.0.tgz",
+      "integrity": "sha512-4taF37geIr9DqvWEm3G9VCz2iJSV/DFc3PcElCQdQK5GUMI/MOj6XE0oJRYMOAHz0Oq8pT+4yDQmkh3SDI3nQA==",
+      "requires": {
+        "lodash.isplainobject": "^4.0.6",
+        "qs": "^6.6.0",
+        "safe-buffer": "^5.1.1",
+        "uuid": "^3.3.2"
+      }
+    },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+    }
+  }
+}
diff --git a/src/functions-templates/js/stripe-subscription/package.json b/src/functions-templates/js/stripe-subscription/package.json
new file mode 100644
index 00000000000..ed77893b6e4
--- /dev/null
+++ b/src/functions-templates/js/stripe-subscription/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "stripe-subscription",
+  "version": "1.0.0",
+  "description": "netlify functions:create - Create a subscription with Stripe",
+  "main": "stripe-subscription.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "stripe",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "stripe": "^6.28.0"
+  }
+}
diff --git a/src/functions-templates/js/stripe-subscription/stripe-subscription.js b/src/functions-templates/js/stripe-subscription/stripe-subscription.js
new file mode 100644
index 00000000000..020842f71b9
--- /dev/null
+++ b/src/functions-templates/js/stripe-subscription/stripe-subscription.js
@@ -0,0 +1,58 @@
+// with thanks https://github.com/LukeMwila/stripe-subscriptions-backend/blob/master/stripe-api/index.ts
+
+const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
+
+const respond = (fulfillmentText: any): any => {
+  return {
+    statusCode: 200,
+    body: JSON.stringify(fulfillmentText),
+    headers: {
+      "Access-Control-Allow-Credentials": true,
+      "Access-Control-Allow-Origin": "*",
+      "Content-Type": "application/json"
+    }
+  };
+};
+
+exports.handler = async function(event, context) {
+  try {
+    const incoming = JSON.parse(event.body);
+    const { stripeToken, email, productPlan } = incoming;
+  } catch (err) {
+    console.error(`error with parsing function parameters: `, err);
+    return {
+      statusCode: 400,
+      body: JSON.stringify(err)
+    };
+  }
+  try {
+    const data = await createCustomerAndSubscribeToPlan(
+      stripeToken,
+      email,
+      productPlan
+    );
+    return respond(data);
+  } catch (err) {
+    return respond(err);
+  }
+};
+
+async function createCustomerAndSubscribeToPlan(
+  stripeToken: string,
+  email: string,
+  productPlan: string
+) {
+  // create a customer
+  const customer = await stripe.customers.create({
+    email: email,
+    source: stripeToken
+  });
+  // retrieve created customer id to add customer to subscription plan
+  const customerId = customer.id;
+  // create a subscription for the newly created customer
+  const subscription = await stripe.subscriptions.create({
+    customer: customerId,
+    items: [{ plan: productPlan }]
+  });
+  return subscription;
+}
diff --git a/src/functions-templates/js/submission-created/.netlify-function-template.js b/src/functions-templates/js/submission-created/.netlify-function-template.js
new file mode 100644
index 00000000000..275090099f5
--- /dev/null
+++ b/src/functions-templates/js/submission-created/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: 'submission-created',
+  description: 'submission-created: template for event triggered function when a new Netlify Form is submitted',
+}
diff --git a/src/functions-templates/js/submission-created/package.json b/src/functions-templates/js/submission-created/package.json
new file mode 100644
index 00000000000..0b56da84ae4
--- /dev/null
+++ b/src/functions-templates/js/submission-created/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "submission-created",
+  "version": "1.0.0",
+  "description": "netlify functions:create - template for submission-created event triggered function",
+  "main": "submission-created.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0"
+  }
+}
diff --git a/src/functions-templates/js/submission-created/submission-created.js b/src/functions-templates/js/submission-created/submission-created.js
new file mode 100644
index 00000000000..04f1366be8c
--- /dev/null
+++ b/src/functions-templates/js/submission-created/submission-created.js
@@ -0,0 +1,25 @@
+/* eslint-disable */
+
+// // optionally configure local env vars
+// require('dotenv').config()
+
+// // details in https://css-tricks.com/using-netlify-forms-and-netlify-functions-to-build-an-email-sign-up-widget
+const fetch = require('node-fetch')
+const { EMAIL_TOKEN } = process.env
+exports.handler = async (event) => {
+  const email = JSON.parse(event.body).payload.email
+  console.log(`Recieved a submission: ${email}`)
+  return fetch('https://api.buttondown.email/v1/subscribers', {
+    method: 'POST',
+    headers: {
+      Authorization: `Token ${EMAIL_TOKEN}`,
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({ email }),
+  })
+    .then((response) => response.json())
+    .then((data) => {
+      console.log(`Submitted to Buttondown:\n ${data}`)
+    })
+    .catch((error) => ({ statusCode: 422, body: String(error) }))
+}
diff --git a/src/functions-templates/js/token-hider/.netlify-function-template.js b/src/functions-templates/js/token-hider/.netlify-function-template.js
new file mode 100644
index 00000000000..13e9fd7860a
--- /dev/null
+++ b/src/functions-templates/js/token-hider/.netlify-function-template.js
@@ -0,0 +1,34 @@
+const chalk = require("chalk");
+
+module.exports = {
+  name: "token-hider",
+  description: "Token Hider: access APIs without exposing your API keys",
+  async onComplete() {
+    console.log(
+      `${chalk.yellow("token-hider")} function created from template!`
+    );
+    if (!process.env.API_URL || !process.env.API_TOKEN) {
+      console.log(
+        `note this function requires ${chalk.yellow(
+          "API_URL"
+        )} and ${chalk.yellow(
+          "API_TOKEN"
+        )} build environment variables set in your Netlify Site.`
+      );
+
+      let siteData = { name: "YOURSITENAMEHERE" };
+      try {
+        siteData = await this.netlify.api.getSite({
+          siteId: this.netlify.site.id
+        });
+      } catch (e) {
+        // silent error, not important
+      }
+      console.log(
+        `Set them at: https://app.netlify.com/sites/${
+          siteData.name
+        }/settings/deploys#environment-variables (must have CD setup)`
+      );
+    }
+  }
+};
diff --git a/src/functions-templates/js/token-hider/package-lock.json b/src/functions-templates/js/token-hider/package-lock.json
new file mode 100644
index 00000000000..1a13afe67b8
--- /dev/null
+++ b/src/functions-templates/js/token-hider/package-lock.json
@@ -0,0 +1,48 @@
+{
+  "name": "token-hider",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "axios": {
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.18.0.tgz",
+      "integrity": "sha1-MtU+SFHv3AoRmTts0AB4nXDAUQI=",
+      "requires": {
+        "follow-redirects": "^1.3.0",
+        "is-buffer": "^1.1.5"
+      }
+    },
+    "debug": {
+      "version": "3.2.6",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
+      "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+      "requires": {
+        "ms": "^2.1.1"
+      }
+    },
+    "follow-redirects": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.7.0.tgz",
+      "integrity": "sha512-m/pZQy4Gj287eNy94nivy5wchN3Kp+Q5WgUPNy5lJSZ3sgkVKSYV/ZChMAQVIgx1SqfZ2zBZtPA2YlXIWxxJOQ==",
+      "requires": {
+        "debug": "^3.2.6"
+      }
+    },
+    "is-buffer": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
+    },
+    "ms": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
+      "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+    },
+    "qs": {
+      "version": "6.7.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+    }
+  }
+}
diff --git a/src/functions-templates/js/token-hider/package.json b/src/functions-templates/js/token-hider/package.json
new file mode 100644
index 00000000000..88d706c45f1
--- /dev/null
+++ b/src/functions-templates/js/token-hider/package.json
@@ -0,0 +1,21 @@
+{
+  "name": "token-hider",
+  "version": "1.0.0",
+  "description": "netlify functions:create - how to hide API tokens from your users",
+  "main": "token-hider.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "axios": "^0.18.0",
+    "qs": "^6.7.0"
+  }
+}
diff --git a/src/functions-templates/js/token-hider/token-hider.js b/src/functions-templates/js/token-hider/token-hider.js
new file mode 100644
index 00000000000..37ccee34eae
--- /dev/null
+++ b/src/functions-templates/js/token-hider/token-hider.js
@@ -0,0 +1,39 @@
+const axios = require("axios");
+const qs = require("qs");
+
+exports.handler = function(event, context, callback) {
+  // apply our function to the queryStringParameters and assign it to a variable
+  const API_PARAMS = qs.stringify(event.queryStringParameters);
+  // Get env var values defined in our Netlify site UI
+  const { API_TOKEN, API_URL } = process.env;
+  // In this example, the API Key needs to be passed in the params with a key of key.
+  // We're assuming that the ApiParams var will contain the initial ?
+  const URL = `${API_URL}?${API_PARAMS}&key=${API_TOKEN}`;
+
+  // Let's log some stuff we already have.
+  console.log("Injecting token to", API_URL);
+  console.log("logging event.....", event);
+  console.log("Constructed URL is ...", URL);
+
+  // Here's a function we'll use to define how our response will look like when we call callback
+  const pass = body => {
+    callback(null, {
+      statusCode: 200,
+      body: JSON.stringify(body)
+    });
+  };
+
+  // Perform the API call.
+  const get = () => {
+    axios
+      .get(URL)
+      .then(response => {
+        console.log(response.data);
+        pass(response.data);
+      })
+      .catch(err => pass(err));
+  };
+  if (event.httpMethod == "GET") {
+    get();
+  }
+};
diff --git a/src/functions-templates/js/url-shortener/.netlify-function-template.js b/src/functions-templates/js/url-shortener/.netlify-function-template.js
new file mode 100644
index 00000000000..9821b651ae0
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/.netlify-function-template.js
@@ -0,0 +1,34 @@
+const chalk = require("chalk");
+
+module.exports = {
+  name: "url-shortener",
+  description: "URL Shortener: simple URL shortener with Netlify Forms!",
+  async onComplete() {
+    console.log(
+      `${chalk.yellow("url-shortener")} function created from template!`
+    );
+    if (!process.env.ROUTES_FORM_ID || !process.env.API_AUTH) {
+      console.log(
+        `note this function requires ${chalk.yellow(
+          "ROUTES_FORM_ID"
+        )} and ${chalk.yellow(
+          "API_AUTH"
+        )} build environment variables set in your Netlify Site.`
+      );
+
+      let siteData = { name: "YOURSITENAMEHERE" };
+      try {
+        siteData = await this.netlify.api.getSite({
+          siteId: this.netlify.site.id
+        });
+      } catch (e) {
+        // silent error, not important
+      }
+      console.log(
+        `Set them at: https://app.netlify.com/sites/${
+          siteData.name
+        }/settings/deploys#environment-variables (must have CD setup)`
+      );
+    }
+  }
+};
diff --git a/src/functions-templates/js/url-shortener/generate-route.js b/src/functions-templates/js/url-shortener/generate-route.js
new file mode 100644
index 00000000000..2057ca92fe2
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/generate-route.js
@@ -0,0 +1,56 @@
+"use strict";
+
+var request = require("request");
+var Hashids = require("hashids");
+
+export function handler(event, context, callback) {
+  // Set the root URL according to the Netlify site we are within
+  var rootURL = process.env.URL + "/";
+
+  // get the details of what we are creating
+  var destination = event.queryStringParameters["to"];
+
+  // generate a unique short code (stupidly for now)
+  var hash = new Hashids();
+  var number = Math.round(new Date().getTime() / 100);
+  var code = hash.encode(number);
+
+  // ensure that a protocol was provided
+  if (destination.indexOf("://") == -1) {
+    destination = "http://" + destination;
+  }
+
+  // prepare a payload to post
+  var payload = {
+    "form-name": "routes",
+    destination: destination,
+    code: code,
+    expires: ""
+  };
+
+  // post the new route to the Routes form
+  request.post({ url: rootURL, formData: payload }, function(
+    err,
+    httpResponse,
+    body
+  ) {
+    var msg;
+    if (err) {
+      msg = "Post to Routes stash failed: " + err;
+    } else {
+      msg = "Route registered. Site deploying to include it. " + rootURL + code;
+    }
+    console.log(msg);
+    // tell the user what their shortcode will be
+    return callback(null, {
+      statusCode: 200,
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ url: rootURL + code })
+    });
+  });
+
+  // ENHANCEMENT: check for uniqueness of shortcode
+  // ENHANCEMENT: let the user provide their own shortcode
+  // ENHANCEMENT: dont' duplicate existing routes, return the current one
+  // ENHANCEMENT: allow the user to specify how long the redirect should exist for
+}
diff --git a/src/functions-templates/js/url-shortener/get-route.js b/src/functions-templates/js/url-shortener/get-route.js
new file mode 100644
index 00000000000..77ec6bc7f63
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/get-route.js
@@ -0,0 +1,47 @@
+"use strict";
+
+var request = require("request");
+
+export function handler(event, context, callback) {
+  // which URL code are we trying to retrieve?
+  var code = event.queryStringParameters["code"];
+
+  // where is the data?
+  var url =
+    "https://api.netlify.com/api/v1/forms/" +
+    process.env.ROUTES_FORM_ID +
+    "/submissions/?access_token=" +
+    process.env.API_AUTH;
+
+  request(url, function(err, response, body) {
+    // look for this code in our stash
+    if (!err && response.statusCode === 200) {
+      var routes = JSON.parse(body);
+
+      for (var item in routes) {
+        // return the result when we find the match
+        if (routes[item].data.code == code) {
+          console.log(
+            "We searched for " +
+              code +
+              " and we found " +
+              routes[item].data.destination
+          );
+          return callback(null, {
+            statusCode: 200,
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({
+              code: code,
+              url: routes[item].data.destination
+            })
+          });
+        }
+      }
+    } else {
+      return callback(null, {
+        statusCode: 200,
+        body: err
+      });
+    }
+  });
+}
diff --git a/src/functions-templates/js/url-shortener/package-lock.json b/src/functions-templates/js/url-shortener/package-lock.json
new file mode 100644
index 00000000000..b0787363b19
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/package-lock.json
@@ -0,0 +1,351 @@
+{
+  "name": "url-shortener",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "ajv": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
+      "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+      "requires": {
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
+    "asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
+    "aws4": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
+    },
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "requires": {
+        "tweetnacl": "^0.14.3"
+      }
+    },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
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+      "requires": {
+        "delayed-stream": "~1.0.0"
+      }
+    },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
+    "dashdash": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "requires": {
+        "assert-plus": "^1.0.0"
+      }
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+    "delayed-stream": {
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+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    },
+    "ecc-jsbn": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
+      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
+      "requires": {
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
+      }
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+    "extend": {
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+    },
+    "extsprintf": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
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+    "fast-deep-equal": {
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+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
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+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
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+      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
+      "requires": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
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+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
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+        "tough-cookie": "~2.4.3",
+        "tunnel-agent": "^0.6.0",
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+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
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+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
+      "requires": {
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
+      }
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+    "tough-cookie": {
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+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
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+      "requires": {
+        "psl": "^1.1.24",
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+      "requires": {
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+}
diff --git a/src/functions-templates/js/url-shortener/package.json b/src/functions-templates/js/url-shortener/package.json
new file mode 100644
index 00000000000..a827260c672
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "url-shortener",
+  "version": "1.0.0",
+  "description": "",
+  "main": "url-shortener.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "apis",
+    "url",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "hashids": "^1.2.2",
+    "request": "^2.88.0"
+  }
+}
diff --git a/src/functions-templates/js/url-shortener/url-shortener.js b/src/functions-templates/js/url-shortener/url-shortener.js
new file mode 100644
index 00000000000..887790736c8
--- /dev/null
+++ b/src/functions-templates/js/url-shortener/url-shortener.js
@@ -0,0 +1,21 @@
+exports.handler = (event, context, callback) => {
+  const path = event.path.replace(/\.netlify\/functions\/[^\/]+/, "");
+  const segments = path.split("/").filter(e => e);
+
+  switch (event.httpMethod) {
+    case "GET":
+      // e.g. GET /.netlify/functions/url-shortener
+      return require("./get-route").handler(event, context, callback);
+    case "POST":
+      // e.g. POST /.netlify/functions/url-shortener
+      return require("./generate-route").handler(event, context, callback);
+    case "PUT":
+    // your code here
+    case "DELETE":
+    // your code here
+  }
+  return callback({
+    statusCode: 500,
+    body: "unrecognized HTTP Method, must be one of GET/POST/PUT/DELETE"
+  });
+};
diff --git a/src/functions-templates/js/using-middleware/.netlify-function-template.js b/src/functions-templates/js/using-middleware/.netlify-function-template.js
new file mode 100644
index 00000000000..39c36d3be60
--- /dev/null
+++ b/src/functions-templates/js/using-middleware/.netlify-function-template.js
@@ -0,0 +1,4 @@
+module.exports = {
+  name: "using-middleware",
+  description: "Using Middleware with middy"
+};
diff --git a/src/functions-templates/js/using-middleware/package.json b/src/functions-templates/js/using-middleware/package.json
new file mode 100644
index 00000000000..497c6f57117
--- /dev/null
+++ b/src/functions-templates/js/using-middleware/package.json
@@ -0,0 +1,19 @@
+{
+  "name": "using-middleware",
+  "version": "1.0.0",
+  "description": "netlify functions:create - using middleware with your netlify function",
+  "main": "using-middleware.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "js"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "middy": "^0.23.0"
+  }
+}
diff --git a/src/functions-templates/js/using-middleware/using-middleware.js b/src/functions-templates/js/using-middleware/using-middleware.js
new file mode 100644
index 00000000000..4326c66c861
--- /dev/null
+++ b/src/functions-templates/js/using-middleware/using-middleware.js
@@ -0,0 +1,63 @@
+const middy = require("middy");
+const {
+  jsonBodyParser,
+  validator,
+  httpErrorHandler,
+  httpHeaderNormalizer
+} = require("middy/middlewares");
+
+/* Normal lambda code */
+const businessLogic = (event, context, callback) => {
+  // event.body has already been turned into an object by `jsonBodyParser` middleware
+  const { name } = event.body;
+  return callback(null, {
+    statusCode: 200,
+    body: JSON.stringify({
+      result: "success",
+      message: `Hi ${name} ⊂◉‿◉つ`
+    })
+  });
+};
+
+/* Input & Output Schema */
+const schema = {
+  input: {
+    type: "object",
+    properties: {
+      body: {
+        type: "object",
+        required: ["name"],
+        properties: {
+          name: { type: "string" }
+        }
+      }
+    },
+    required: ["body"]
+  },
+  output: {
+    type: "object",
+    properties: {
+      body: {
+        type: "string",
+        required: ["result", "message"],
+        properties: {
+          result: { type: "string" },
+          message: { type: "string" }
+        }
+      }
+    },
+    required: ["body"]
+  }
+};
+
+/* Export inputSchema & outputSchema for automatic documentation */
+exports.schema = schema;
+
+exports.handler = middy(businessLogic)
+  .use(httpHeaderNormalizer())
+  // parses the request body when it's a JSON and converts it to an object
+  .use(jsonBodyParser())
+  // validates the input
+  .use(validator({ inputSchema: schema.input }))
+  // handles common http errors and returns proper responses
+  .use(httpErrorHandler());
diff --git a/src/functions-templates/unused_go/hello-world/hello-world.go b/src/functions-templates/unused_go/hello-world/hello-world.go
new file mode 100644
index 00000000000..32ff8b493a3
--- /dev/null
+++ b/src/functions-templates/unused_go/hello-world/hello-world.go
@@ -0,0 +1,18 @@
+package main
+
+import (
+	"github.com/aws/aws-lambda-go/events"
+	"github.com/aws/aws-lambda-go/lambda"
+)
+
+func handler(request events.APIGatewayProxyRequest) (*events.APIGatewayProxyResponse, error) {
+	return &events.APIGatewayProxyResponse{
+		StatusCode: 200,
+		Body:       "Hello, World",
+	}, nil
+}
+
+func main() {
+	// Make the handler available for Remote Procedure Call by AWS Lambda
+	lambda.Start(handler)
+}
\ No newline at end of file
diff --git a/src/functions-templates/unused_ts/hello-world/hello-world.ts b/src/functions-templates/unused_ts/hello-world/hello-world.ts
new file mode 100644
index 00000000000..7a1c9a61810
--- /dev/null
+++ b/src/functions-templates/unused_ts/hello-world/hello-world.ts
@@ -0,0 +1,21 @@
+import { Handler, Context, Callback, APIGatewayEvent } from 'aws-lambda'
+
+interface HelloResponse {
+  statusCode: number
+  body: string
+}
+
+const handler: Handler = (event: APIGatewayEvent, context: Context, callback: Callback) => {
+  const params = event.queryStringParameters
+  const response: HelloResponse = {
+    statusCode: 200,
+    body: JSON.stringify({
+      msg: `Hello world ${Math.floor(Math.random() * 10)}`,
+      params
+    })
+  }
+
+  callback(undefined, response)
+}
+
+export { handler }
diff --git a/src/functions-templates/unused_ts/hello-world/package.json b/src/functions-templates/unused_ts/hello-world/package.json
new file mode 100644
index 00000000000..68aa2f23324
--- /dev/null
+++ b/src/functions-templates/unused_ts/hello-world/package.json
@@ -0,0 +1,22 @@
+{
+  "name": "hello-world",
+  "version": "1.0.0",
+  "description": "netlify functions:create - hello world in typescript",
+  "main": "hello-world.ts",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "typescript"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0",
+    "@types/node": "^10.12.12",
+    "typescript": "^3.2.2",
+    "@types/aws-lambda": "^8.10.15"
+  }
+}
diff --git a/src/functions-templates/unused_ts/node-fetch/node-fetch.ts b/src/functions-templates/unused_ts/node-fetch/node-fetch.ts
new file mode 100644
index 00000000000..03453f8daa8
--- /dev/null
+++ b/src/functions-templates/unused_ts/node-fetch/node-fetch.ts
@@ -0,0 +1,26 @@
+// example of async handler using async-await
+// https://github.com/netlify/netlify-lambda/issues/43#issuecomment-444618311
+
+import fetch from 'node-fetch'
+import { Context } from 'aws-lambda'
+export async function handler(event: any, context: Context) {
+  try {
+    const response = await fetch('https://api.chucknorris.io/jokes/random')
+    if (!response.ok) {
+      // NOT res.status >= 200 && res.status < 300
+      return { statusCode: response.status, body: response.statusText }
+    }
+    const data = await response.json()
+
+    return {
+      statusCode: 200,
+      body: JSON.stringify({ msg: data.value })
+    }
+  } catch (err) {
+    console.log(err) // output to netlify function log
+    return {
+      statusCode: 500,
+      body: JSON.stringify({ msg: err.message }) // Could be a custom message or object i.e. JSON.stringify(err)
+    }
+  }
+}
diff --git a/src/functions-templates/unused_ts/node-fetch/package.json b/src/functions-templates/unused_ts/node-fetch/package.json
new file mode 100644
index 00000000000..33596f8d35d
--- /dev/null
+++ b/src/functions-templates/unused_ts/node-fetch/package.json
@@ -0,0 +1,23 @@
+{
+  "name": "node-fetch",
+  "version": "1.0.0",
+  "description": "netlify functions:create - using node-fetch in typescript",
+  "main": "node-fetch.ts",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "netlify",
+    "serverless",
+    "typescript"
+  ],
+  "author": "Netlify",
+  "license": "MIT",
+  "dependencies": {
+    "node-fetch": "^2.3.0",
+    "@types/node-fetch": "^2.1.4",
+    "@types/node": "^10.12.12",
+    "typescript": "^3.2.2",
+    "@types/aws-lambda": "^8.10.15"
+  }
+}
diff --git a/src/utils/addons.js b/src/utils/addons.js
new file mode 100644
index 00000000000..0e8199db179
--- /dev/null
+++ b/src/utils/addons.js
@@ -0,0 +1,327 @@
+/* eslint no-console: 0 */
+const { getAddons, createAddon } = require("netlify/src/addons");
+// const chalk = require("chalk");
+// const fetch = require("node-fetch");
+
+/** main section - shamelessly adapted from CLI. we can extract and dedupe later. */
+/** but we can DRY things up later. */
+// eslint-disable-next-line max-params
+module.exports.createSiteAddon = async function(
+  accessToken,
+  addonName,
+  siteId,
+  siteData,
+  log
+) {
+  const addons = await getAddons(siteId, accessToken);
+  if (typeof addons === "object" && addons.error) {
+    log("API Error", addons);
+    return false;
+  }
+  // Filter down addons to current args.name
+  const currentAddon = addons.find(
+    addon => addon.service_path === `/.netlify/${addonName}`
+  );
+  const rawFlags = {};
+
+  if (currentAddon && currentAddon.id) {
+    log(`The "${addonName} add-on" already exists for ${siteData.name}`);
+    // // just exit
+    // log()
+    // const cmd = chalk.cyan(`\`netlify addons:config ${addonName}\``)
+    // log(`- To update this add-on run: ${cmd}`)
+    // const deleteCmd = chalk.cyan(`\`netlify addons:delete ${addonName}\``)
+    // log(`- To remove this add-on run: ${deleteCmd}`)
+    // log()
+    return false;
+  }
+
+  // const manifest = await getAddonManifest(addonName, accessToken);
+
+  let configValues = rawFlags;
+  // if (manifest.config) {
+  //   const required = requiredConfigValues(manifest.config);
+  //   console.log(`Starting the setup for "${addonName} add-on"`);
+  //   console.log();
+
+  //   // const missingValues = missingConfigValues(required, rawFlags);
+  //   // if (Object.keys(rawFlags).length) {
+  //   //   const newConfig = updateConfigValues(manifest.config, {}, rawFlags)
+
+  //   //   if (missingValues.length) {
+  //   //     /* Warn user of missing required values */
+  //   //     console.log(
+  //   //       `${chalk.redBright.underline.bold(`Error: Missing required configuration for "${addonName} add-on"`)}`
+  //   //     )
+  //   //     console.log()
+  //   //     render.missingValues(missingValues, manifest)
+  //   //     console.log()
+  //   //     const msg = `netlify addons:create ${addonName}`
+  //   //     console.log(`Please supply the configuration values as CLI flags`)
+  //   //     console.log()
+  //   //     console.log(`Alternatively, you can run ${chalk.cyan(msg)} with no flags to walk through the setup steps`)
+  //   //     console.log()
+  //   //     return false
+  //   //   }
+
+  //   //   await createSiteAddon({
+  //   //     addonName,
+  //   //     settings: {
+  //   //       siteId: siteId,
+  //   //       addon: addonName,
+  //   //       config: newConfig
+  //   //     },
+  //   //     accessToken,
+  //   //     siteData
+  //   //   })
+  //   //   return false
+  //   // }
+
+  //   const words = `The ${addonName} add-on has the following configurable options:`;
+  //   console.log(` ${chalk.yellowBright.bold(words)}`);
+  //   render.configValues(addonName, manifest.config);
+  //   console.log();
+  //   console.log(` ${chalk.greenBright.bold("Lets configure those!")}`);
+
+  //   console.log();
+  //   console.log(
+  //     ` - Hit ${chalk.white.bold("enter")} to confirm value or set empty value`
+  //   );
+  //   console.log(
+  //     ` - Hit ${chalk.white.bold("ctrl + C")} to cancel & exit configuration`
+  //   );
+  //   console.log();
+
+  //   const prompts = generatePrompts({
+  //     config: manifest.config,
+  //     configValues: rawFlags
+  //   });
+
+  //   const userInput = await inquirer.prompt(prompts);
+  //   // Merge user input with the flags specified
+  //   configValues = updateConfigValues(manifest.config, rawFlags, userInput);
+  //   const missingRequiredValues = missingConfigValues(required, configValues);
+  //   if (missingRequiredValues && missingRequiredValues.length) {
+  //     missingRequiredValues.forEach(val => {
+  //       console.log(
+  //         `Missing required value "${val}". Please run the command again`
+  //       );
+  //     });
+  //     return false;
+  //   }
+  // }
+
+  await actuallyCreateSiteAddon({
+    addonName,
+    settings: {
+      siteId: siteId,
+      addon: addonName,
+      config: configValues
+    },
+    accessToken,
+    siteData
+  });
+  return addonName; // we dont really use this right now but may be helpful to know that an addon installation was successful
+};
+
+async function actuallyCreateSiteAddon({
+  addonName,
+  settings,
+  accessToken,
+  siteData
+}) {
+  const addonResponse = await createAddon(settings, accessToken);
+
+  if (addonResponse.code === 404) {
+    console.log(
+      `No add-on "${addonName}" found. Please double check your add-on name and try again`
+    );
+    return false;
+  }
+  console.log(`Add-on "${addonName}" created for ${siteData.name}`);
+  if (addonResponse.config && addonResponse.config.message) {
+    console.log();
+    console.log(`${addonResponse.config.message}`);
+  }
+  return addonResponse;
+}
+
+/** all the utils used in the main section */
+
+// async function getAddonManifest(addonName, netlifyApiToken) {
+//   const url = `https://api.netlify.com/api/v1/services/${addonName}/manifest`;
+//   const response = await fetch(url, {
+//     method: "GET",
+//     headers: {
+//       "Content-Type": "application/json",
+//       Authorization: `Bearer ${netlifyApiToken}`
+//     }
+//   });
+
+//   const data = await response.json();
+
+//   if (response.status === 422) {
+//     throw new Error(`Error ${JSON.stringify(data)}`);
+//   }
+
+//   return data;
+// }
+
+// function requiredConfigValues(config) {
+//   return Object.keys(config).filter(key => {
+//     return config[key].required;
+//   });
+// }
+
+// function missingConfigValues(requiredConfig, providedConfig) {
+//   return requiredConfig.filter(key => {
+//     return !providedConfig[key];
+//   });
+// }
+
+// function missingConfigValues(allowedConfig, currentConfig, newConfig) {
+//   return Object.keys(allowedConfig).reduce((acc, key) => {
+//     if (newConfig[key]) {
+//       acc[key] = newConfig[key];
+//       return acc;
+//     }
+//     acc[key] = currentConfig[key];
+//     return acc;
+//   }, {});
+// }
+
+// const chalk = require('chalk')
+
+// /* programmatically generate CLI prompts */
+// function generatePrompts(settings) {
+//   const { config, configValues } = settings;
+//   const configItems = Object.keys(config);
+
+//   const prompts = configItems
+//     .map((key, i) => {
+//       const setting = config[key];
+//       // const { type, displayName } = setting
+//       let prompt;
+//       // Tell user to use types
+//       if (!setting.type) {
+//         console.log(
+//           `⚠️   ${chalk.yellowBright(
+//             `Warning: no \`type\` is set for config key: ${configItems[i]}`
+//           )}`
+//         );
+//         console.log(
+//           `It's highly recommended that you type your configuration values. It will help with automatic documentation, sharing of your services, and make your services configurable through a GUI`
+//         );
+//         console.log("");
+//       }
+
+//       // Handle shorthand config. Probably will be removed. Severly limited + not great UX
+//       if (typeof setting === "string" || typeof setting === "boolean") {
+//         if (typeof setting === "string") {
+//           prompt = {
+//             type: "input",
+//             name: key,
+//             message: `Enter string value for '${key}':`
+//           };
+//           // if current stage value set show as default
+//           if (configValues[key]) {
+//             prompt.default = configValues[key];
+//           }
+//         } else if (typeof setting === "boolean") {
+//           prompt = {
+//             type: "confirm",
+//             name: key,
+//             message: `Do you want '${key}':`
+//           };
+//         }
+//         return prompt;
+//       }
+
+//       // For future use. Once UX is decided
+//       // const defaultValidation = (setting.required) ? validateRequired : noValidate
+//       const defaultValidation = noValidate;
+//       const validateFunction = setting.pattern
+//         ? validate(setting.pattern)
+//         : defaultValidation;
+//       const isRequiredText = setting.required
+//         ? ` (${chalk.yellow("required")})`
+//         : "";
+//       if (setting.type === "string" || setting.type.match(/string/)) {
+//         prompt = {
+//           type: "input",
+//           name: key,
+//           message:
+//             `${chalk.white(key)}${isRequiredText} - ${setting.displayName}` ||
+//             `Please enter value for ${key}`,
+//           validate: validateFunction
+//         };
+//         // if value previously set show it
+//         if (configValues[key]) {
+//           prompt.default = configValues[key];
+//           // else show default value if provided
+//         } else if (setting.default) {
+//           prompt.default = setting.default;
+//         }
+//         return prompt;
+//       }
+//       return undefined;
+//     })
+//     .filter(item => {
+//       return typeof item !== "undefined";
+//     });
+//   return prompts;
+// }
+
+// function noValidate() {
+//   return true;
+// }
+
+// function validate(pattern) {
+//   return function(value) {
+//     const regex = new RegExp(pattern);
+//     if (value.match(regex)) {
+//       return true;
+//     }
+//     return `Please enter a value matching regex pattern: /${chalk.yellowBright(
+//       pattern
+//     )}/`;
+//   };
+// }
+
+// const chalk = require('chalk')
+// const AsciiTable = require("ascii-table");
+
+// function missingValues(values, manifest) {
+//   const display = values
+//     .map(item => {
+//       const itemDisplay = chalk.redBright.bold(`${item}`);
+//       const niceNameDisplay = manifest.config[item].displayName;
+//       return ` - ${itemDisplay} ${niceNameDisplay}`;
+//     })
+//     .join("\n");
+//   console.log(display);
+// }
+
+// function configValues(addonName, configValues, currentValue) {
+//   const table = new AsciiTable(`${addonName} add-on settings`);
+
+//   const tableHeader = currentValue
+//     ? ["Setting Name", "Current Value", "Description"]
+//     : ["Setting Name", "Description", "Type", "Required"];
+
+//   table.setHeading(...tableHeader);
+
+//   Object.keys(configValues).map(key => {
+//     const { type, displayName, required } = configValues[key];
+//     let requiredText = required ? `true` : `false`;
+//     const typeInfo = type || "";
+//     const description = displayName || "";
+//     if (currentValue) {
+//       const value = currentValue[key] || "Not supplied";
+//       table.addRow(key, value, description);
+//     } else {
+//       table.addRow(key, description, typeInfo, requiredText);
+//     }
+//   });
+//   console.log(table.toString());
+// }
diff --git a/src/utils/detect-functions-builder.js b/src/utils/detect-functions-builder.js
new file mode 100644
index 00000000000..dc63b07119f
--- /dev/null
+++ b/src/utils/detect-functions-builder.js
@@ -0,0 +1,17 @@
+const path = require("path");
+
+const detectors = require("fs")
+  .readdirSync(path.join(__dirname, "..", "function-builder-detectors"))
+  .filter(x => x.endsWith(".js")) // only accept .js detector files
+  .map(det =>
+    require(path.join(__dirname, "..", `function-builder-detectors/${det}`))
+  );
+
+module.exports.detectFunctionsBuilder = function() {
+  for (const i in detectors) {
+    const settings = detectors[i]();
+    if (settings) {
+      return settings;
+    }
+  }
+};
diff --git a/src/utils/detect-server.js b/src/utils/detect-server.js
new file mode 100644
index 00000000000..b2b306456b7
--- /dev/null
+++ b/src/utils/detect-server.js
@@ -0,0 +1,154 @@
+const path = require("path");
+const chalk = require("chalk");
+const { NETLIFYDEVLOG } = require("netlify-cli-logo");
+const inquirer = require("inquirer");
+const fs = require("fs");
+const detectors = fs
+  .readdirSync(path.join(__dirname, "..", "detectors"))
+  .filter(x => x.endsWith(".js")) // only accept .js detector files
+  .map(det => {
+    try {
+      return require(path.join(__dirname, "..", `detectors/${det}`));
+    } catch (err) {
+      console.error(
+        `failed to load detector: ${chalk.yellow(
+          det
+        )}, this is likely a bug in the detector, please file an issue in netlify-dev-plugin`,
+        err
+      );
+      return null;
+    }
+  })
+  .filter(Boolean);
+
+module.exports.serverSettings = async devConfig => {
+  let settingsArr = [];
+  let settings = null;
+  for (const i in detectors) {
+    const detectorResult = detectors[i]();
+    if (detectorResult) settingsArr.push(detectorResult);
+  }
+  if (settingsArr.length === 1) {
+    // vast majority of projects will only have one matching detector
+    settings = settingsArr[0];
+    settings.args = settings.possibleArgsArrs[0]; // just pick the first one
+    if (!settings.args) {
+      const { scripts } = JSON.parse(
+        fs.readFileSync("package.json", { encoding: "utf8" })
+      );
+      // eslint-disable-next-line no-console
+      console.error(
+        "empty args assigned, this is an internal Netlify Dev bug, please report your settings and scripts so we can improve",
+        { scripts, settings }
+      );
+      // eslint-disable-next-line no-process-exit
+      process.exit(1);
+    }
+  } else if (settingsArr.length > 1) {
+    /** multiple matching detectors, make the user choose */
+    // lazy loading on purpose
+    inquirer.registerPrompt(
+      "autocomplete",
+      require("inquirer-autocomplete-prompt")
+    );
+    const fuzzy = require("fuzzy");
+    const scriptInquirerOptions = formatSettingsArrForInquirer(settingsArr);
+    const { chosenSetting } = await inquirer.prompt({
+      name: "chosenSetting",
+      message: `Multiple possible start commands found`,
+      type: "autocomplete",
+      source: async function(_, input) {
+        if (!input || input === "") {
+          return scriptInquirerOptions;
+        }
+        // only show filtered results
+        return filterSettings(scriptInquirerOptions, input);
+      }
+    });
+    settings = chosenSetting; // finally! we have a selected option
+    // TODO: offer to save this setting to netlify.toml so you dont keep doing this
+
+    /** utiltities for the inquirer section above */
+    function filterSettings(scriptInquirerOptions, input) {
+      const filteredSettings = fuzzy.filter(
+        input,
+        scriptInquirerOptions.map(x => x.name)
+      );
+      const filteredSettingNames = filteredSettings.map(x =>
+        input ? x.string : x
+      );
+      return scriptInquirerOptions.filter(t =>
+        filteredSettingNames.includes(t.name)
+      );
+    }
+
+    /** utiltities for the inquirer section above */
+    function formatSettingsArrForInquirer(settingsArr) {
+      let ans = [];
+      settingsArr.forEach(setting => {
+        setting.possibleArgsArrs.forEach(args => {
+          ans.push({
+            name: `[${chalk.yellow(setting.type)}] ${
+              setting.command
+            } ${args.join(" ")}`,
+            value: { ...setting, args },
+            short: setting.type + "-" + args.join(" ")
+          });
+        });
+      });
+      return ans;
+    }
+  }
+
+  /** everything below assumes we have settled on one detector */
+  const tellUser = settingsField => dV =>
+    // eslint-disable-next-line no-console
+    console.log(
+      `${NETLIFYDEVLOG} Overriding ${chalk.yellow(
+        settingsField
+      )} with setting derived from netlify.toml [dev] block: `,
+      dV
+    );
+
+  if (devConfig) {
+    settings = settings || {};
+    if (devConfig.command) {
+      settings.command = assignLoudly(
+        devConfig.command.split(/\s/)[0],
+        settings.command || null,
+        tellUser("command")
+      ); // if settings.command is empty, its bc no settings matched
+      let devConfigArgs = devConfig.command.split(/\s/).slice(1);
+      if (devConfigArgs[0] === "run") devConfigArgs = devConfigArgs.slice(1);
+      settings.args = assignLoudly(
+        devConfigArgs,
+        settings.command || null,
+        tellUser("command")
+      ); // if settings.command is empty, its bc no settings matched
+    }
+    if (devConfig.port) {
+      settings.proxyPort = devConfig.port || settings.proxyPort;
+      const regexp =
+        devConfig.urlRegexp ||
+        new RegExp(`(http://)([^:]+:)${devConfig.port}(/)?`, "g");
+      settings.urlRegexp = settings.urlRegexp || regexp;
+    }
+    settings.dist = devConfig.publish || settings.dist; // dont loudassign if they dont need it
+  }
+  return settings;
+};
+
+// if first arg is undefined, use default, but tell user about it in case it is unintentional
+function assignLoudly(
+  optionalValue,
+  defaultValue,
+  // eslint-disable-next-line no-console
+  tellUser = dV => console.log(`No value specified, using fallback of `, dV)
+) {
+  if (defaultValue === undefined) throw new Error("must have a defaultValue");
+  if (defaultValue !== optionalValue && optionalValue === undefined) {
+    tellUser(defaultValue);
+    return defaultValue;
+  }
+  return optionalValue;
+}
diff --git a/src/utils/dev.js b/src/utils/dev.js
new file mode 100644
index 00000000000..eee38db7a76
--- /dev/null
+++ b/src/utils/dev.js
@@ -0,0 +1,118 @@
+/* eslint no-console: 0 */
+
+// reusable code for netlify dev
+// bit of a hasty abstraction but recommended by oclif
+const { getAddons } = require("netlify/src/addons");
+const chalk = require("chalk");
+const {
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+/**
+ * inject environment variables from netlify addons and buildbot
+ * into your local dev process.env
+ *
+ * ```
+ * // usage example
+ * const { site, api } = this.netlify
+ * if (site.id) {
+ *   const accessToken = api.accessToken
+ *   const addonUrls = await addEnvVariables(site, accessToken)
+ *   // addonUrls is only for startProxy in netlify dev:index
+ * }
+ * ```
+ */
+async function addEnvVariables(api, site, accessToken) {
+  /** from addons */
+  const addonUrls = {};
+  const addons = await getAddons(site.id, accessToken).catch(error => {
+    console.error(error);
+    switch (error.status) {
+      default:
+        console.error(
+          `${NETLIFYDEVERR} Error retrieving addons data for site ${chalk.yellow(
+            site.id
+          )}. Double-check your login status with 'netlify status' or contact support with details of your error.`
+        );
+        process.exit();
+    }
+  });
+  if (Array.isArray(addons)) {
+    addons.forEach(addon => {
+      addonUrls[addon.slug] = `${addon.config.site_url}/.netlify/${addon.slug}`;
+      for (const key in addon.env) {
+        const msg = () =>
+          console.log(
+            `${NETLIFYDEVLOG} Injected ${chalk.yellow.bold("addon")} env var: `,
+            chalk.yellow(key)
+          );
+        process.env[key] = assignLoudly(process.env[key], addon.env[key], msg);
+      }
+    });
+  }
+
+  /** from web UI */
+  const apiSite = await api.getSite({ site_id: site.id }).catch(error => {
+    console.error(error);
+    switch (error.status) {
+      case 401:
+        console.error(
+          `${NETLIFYDEVERR} Unauthorized error: This Site ID ${chalk.yellow(
+            site.id
+          )} does not belong to your account.`
+        );
+        console.error(
+          `${NETLIFYDEVERR} If you cloned someone else's code, try running 'npm unlink' and then 'npm init' or 'npm link'.`
+        );
+
+        process.exit();
+      default:
+        console.error(
+          `${NETLIFYDEVERR} Error retrieving site data for site ${chalk.yellow(
+            site.id
+          )}. Double-check your login status with 'netlify status' or contact support with details of your error.`
+        );
+        process.exit();
+    }
+  });
+  // TODO: We should move the environment outside of build settings and possibly have a
+  // `/api/v1/sites/:site_id/environment` endpoint for it that we can also gate access to
+  // In the future and that we could make context dependend
+  if (apiSite.build_settings && apiSite.build_settings.env) {
+    for (const key in apiSite.build_settings.env) {
+      const msg = () =>
+        console.log(
+          `${NETLIFYDEVLOG} Injected ${chalk.blue.bold(
+            "build setting"
+          )} env var: `,
+          chalk.yellow(key)
+        );
+      process.env[key] = assignLoudly(
+        process.env[key],
+        apiSite.build_settings.env[key],
+        msg
+      );
+    }
+  }
+
+  return addonUrls;
+}
+
+module.exports = {
+  addEnvVariables
+};
+
+// if first arg is undefined, use default, but tell user about it in case it is unintentional
+function assignLoudly(
+  optionalValue,
+  defaultValue,
+  tellUser = dV => console.log(`No value specified, using fallback of `, dV)
+) {
+  if (defaultValue === undefined) throw new Error("must have a defaultValue");
+  if (defaultValue !== optionalValue && optionalValue === undefined) {
+    tellUser(defaultValue);
+    return defaultValue;
+  }
+  return optionalValue;
+}
diff --git a/src/utils/finders.js b/src/utils/finders.js
new file mode 100644
index 00000000000..56d86e92700
--- /dev/null
+++ b/src/utils/finders.js
@@ -0,0 +1,189 @@
+const path = require("path");
+const fs = require("fs");
+const packList = require("npm-packlist");
+const precinct = require("precinct");
+const resolve = require("resolve");
+const readPkgUp = require("read-pkg-up");
+const requirePackageName = require("require-package-name");
+const alwaysIgnored = new Set(["aws-sdk"]);
+const debug = require("debug")("netlify-dev-plugin:src/utils/finders");
+
+const ignoredExtensions = new Set([
+  ".log",
+  ".lock",
+  ".html",
+  ".md",
+  ".map",
+  ".ts",
+  ".png",
+  ".jpeg",
+  ".jpg",
+  ".gif",
+  ".css",
+  ".patch"
+]);
+
+function ignoreMissing(dependency, optional) {
+  return alwaysIgnored.has(dependency) || (optional && dependency in optional);
+}
+
+function includeModuleFile(packageJson, moduleFilePath) {
+  if (packageJson.files) {
+    return true;
+  }
+
+  return !ignoredExtensions.has(path.extname(moduleFilePath));
+}
+
+function getDependencies(filename, basedir) {
+  const servicePath = basedir;
+
+  const filePaths = new Set();
+  const modulePaths = new Set();
+  const pkgs = {};
+
+  const modulesToProcess = [];
+  const localFilesToProcess = [filename];
+
+  function handle(name, basedir, optionalDependencies) {
+    const moduleName = requirePackageName(name.replace(/\\/, "/"));
+
+    if (alwaysIgnored.has(moduleName)) {
+      return;
+    }
+
+    try {
+      const pathToModule = resolve.sync(path.join(moduleName, "package.json"), {
+        basedir
+      });
+      const pkg = readPkgUp.sync({ cwd: pathToModule });
+
+      if (pkg) {
+        modulesToProcess.push(pkg);
+      }
+    } catch (e) {
+      if (e.code === "MODULE_NOT_FOUND") {
+        if (ignoreMissing(moduleName, optionalDependencies)) {
+          debug(`WARNING missing optional dependency: ${moduleName}`);
+          return null;
+        }
+        try {
+          // this resolves the requested import also against any set up NODE_PATH extensions, etc.
+          const resolved = require.resolve(name);
+          localFilesToProcess.push(resolved);
+          return;
+        } catch (e) {
+          throw new Error(`Could not find "${moduleName}" module in file: ${filename.replace(
+            path.dirname(basedir),
+            ""
+          )}. 
+          
+Please ensure "${moduleName}" is installed in the project.`);
+        }
+      }
+      throw e;
+    }
+  }
+
+  while (localFilesToProcess.length) {
+    const currentLocalFile = localFilesToProcess.pop();
+
+    if (filePaths.has(currentLocalFile)) {
+      continue;
+    }
+
+    filePaths.add(currentLocalFile);
+    precinct
+      .paperwork(currentLocalFile, { includeCore: false })
+      .forEach(dependency => {
+        if (dependency.indexOf(".") === 0) {
+          const abs = resolve.sync(dependency, {
+            basedir: path.dirname(currentLocalFile)
+          });
+          localFilesToProcess.push(abs);
+        } else {
+          handle(dependency, servicePath);
+        }
+      });
+  }
+
+  while (modulesToProcess.length) {
+    const currentModule = modulesToProcess.pop();
+    const currentModulePath = path.join(currentModule.path, "..");
+    const packageJson = currentModule.pkg;
+
+    if (modulePaths.has(currentModulePath)) {
+      continue;
+    }
+    modulePaths.add(currentModulePath);
+    pkgs[currentModulePath] = packageJson;
+    ["dependencies", "peerDependencies", "optionalDependencies"].forEach(
+      key => {
+        const dependencies = packageJson[key];
+
+        if (dependencies) {
+          Object.keys(dependencies).forEach(dependency => {
+            handle(
+              dependency,
+              currentModulePath,
+              packageJson.optionalDependencies
+            );
+          });
+        }
+      }
+    );
+  }
+
+  modulePaths.forEach(modulePath => {
+    const packageJson = pkgs[modulePath];
+    let moduleFilePaths;
+
+    moduleFilePaths = packList.sync({ path: modulePath });
+
+    moduleFilePaths.forEach(moduleFilePath => {
+      if (includeModuleFile(packageJson, moduleFilePath)) {
+        filePaths.add(path.join(modulePath, moduleFilePath));
+      }
+    });
+  });
+
+  // TODO: get rid of this
+  const sizes = {};
+  filePaths.forEach(filepath => {
+    const stat = fs.lstatSync(filepath);
+    const ext = path.extname(filepath);
+    sizes[ext] = (sizes[ext] || 0) + stat.size;
+  });
+  debug("Sizes per extension: ", sizes);
+
+  return [...filePaths];
+}
+
+function findModuleDir(dir) {
+  let basedir = dir;
+  while (!fs.existsSync(path.join(basedir, "package.json"))) {
+    const newBasedir = path.dirname(basedir);
+    if (newBasedir === basedir) {
+      return null;
+    }
+    basedir = newBasedir;
+  }
+  return basedir;
+}
+
+function findHandler(functionPath) {
+  if (fs.lstatSync(functionPath).isFile()) {
+    return functionPath;
+  }
+
+  const handlerPath = path.join(
+    functionPath,
+    `${path.basename(functionPath)}.js`
+  );
+  if (!fs.existsSync(handlerPath)) {
+    return;
+  }
+  return handlerPath;
+}
+
+module.exports = { getDependencies, findModuleDir, findHandler };
diff --git a/src/utils/get-functions.js b/src/utils/get-functions.js
new file mode 100644
index 00000000000..0c1ae7c296d
--- /dev/null
+++ b/src/utils/get-functions.js
@@ -0,0 +1,33 @@
+const fs = require("fs");
+const path = require("path");
+const { findModuleDir, findHandler } = require("./finders");
+
+module.exports = {
+  getFunctions(dir) {
+    const functions = {};
+    if (fs.existsSync(dir)) {
+      fs.readdirSync(dir).forEach(file => {
+        if (dir === "node_modules") {
+          return;
+        }
+        const functionPath = path.resolve(path.join(dir, file));
+        const handlerPath = findHandler(functionPath);
+        if (!handlerPath) {
+          return;
+        }
+        if (path.extname(functionPath) === ".js") {
+          functions[file.replace(/\.js$/, "")] = {
+            functionPath,
+            moduleDir: findModuleDir(functionPath)
+          };
+        } else if (fs.lstatSync(functionPath).isDirectory()) {
+          functions[file] = {
+            functionPath: handlerPath,
+            moduleDir: findModuleDir(functionPath)
+          };
+        }
+      });
+    }
+    return functions;
+  }
+};
diff --git a/src/utils/live-tunnel.js b/src/utils/live-tunnel.js
new file mode 100644
index 00000000000..842b1eb1272
--- /dev/null
+++ b/src/utils/live-tunnel.js
@@ -0,0 +1,143 @@
+const fetch = require("node-fetch");
+const fs = require("fs");
+const os = require("os");
+const path = require("path");
+const execa = require("execa");
+const chalk = require("chalk");
+const { fetchLatest, updateAvailable } = require("gh-release-fetch");
+const {
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+
+async function createTunnel(siteId, netlifyApiToken, log) {
+  await installTunnelClient(log);
+
+  if (!siteId) {
+    // eslint-disable-next-line no-console
+    console.error(
+      `${NETLIFYDEVERR} Error: no siteId defined, did you forget to run ${chalk.yellow(
+        "netlify init"
+      )} or ${chalk.yellow("netlify link")}?`
+    );
+    process.exit(1);
+  }
+  log(`${NETLIFYDEVLOG} Creating Live Tunnel for ` + siteId);
+  const url = `https://api.netlify.com/api/v1/live_sessions?site_id=${siteId}`;
+
+  const response = await fetch(url, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${netlifyApiToken}`
+    },
+    body: JSON.stringify({})
+  });
+
+  const data = await response.json();
+
+  if (response.status !== 201) {
+    throw new Error(data.message);
+  }
+
+  return data;
+}
+
+async function connectTunnel(session, netlifyApiToken, localPort, log) {
+  const execPath = path.join(
+    os.homedir(),
+    ".netlify",
+    "tunnel",
+    "bin",
+    "live-tunnel-client"
+  );
+  const args = [
+    "connect",
+    "-s",
+    session.id,
+    "-t",
+    netlifyApiToken,
+    "-l",
+    localPort
+  ];
+  if (process.env.DEBUG) {
+    args.push("-v");
+    log(execPath, args);
+  }
+
+  const ps = execa(execPath, args, { stdio: "inherit" });
+  ps.on("close", code => process.exit(code));
+  ps.on("SIGINT", process.exit);
+  ps.on("SIGTERM", process.exit);
+}
+
+async function installTunnelClient(log) {
+  const binPath = path.join(os.homedir(), ".netlify", "tunnel", "bin");
+  const execPath = path.join(binPath, "live-tunnel-client");
+  const newVersion = await fetchTunnelClient(execPath);
+  if (!newVersion) {
+    return;
+  }
+
+  log(`${NETLIFYDEVLOG} Installing Live Tunnel Client`);
+
+  const win = isWindows();
+  const platform = win ? "windows" : process.platform;
+  const extension = win ? "zip" : "tar.gz";
+  const release = {
+    repository: "netlify/live-tunnel-client",
+    package: `live-tunnel-client-${platform}-amd64.${extension}`,
+    destination: binPath,
+    extract: true
+  };
+  await fetchLatest(release);
+}
+
+async function fetchTunnelClient(execPath) {
+  if (!execExist(execPath)) {
+    return true;
+  }
+
+  const { stdout } = await execa(execPath, ["version"]);
+  if (!stdout) {
+    return false;
+  }
+
+  const match = stdout.match(/^live-tunnel-client\/v?([^\s]+)/);
+  if (!match) {
+    return false;
+  }
+
+  return updateAvailable("netlify/live-tunnel-client", match[1]);
+}
+
+function execExist(binPath) {
+  if (!fs.existsSync(binPath)) {
+    return false;
+  }
+  const stat = fs.statSync(binPath);
+  return stat && stat.isFile() && isExe(stat.mode, stat.gid, stat.uid);
+}
+
+function isExe(mode, gid, uid) {
+  if (isWindows()) {
+    return true;
+  }
+
+  const isGroup = gid ? process.getgid && gid === process.getgid() : true;
+  const isUser = uid ? process.getuid && uid === process.getuid() : true;
+
+  return Boolean(
+    mode & 0o0001 || (mode & 0o0010 && isGroup) || (mode & 0o0100 && isUser)
+  );
+}
+
+function isWindows() {
+  return process.platform === "win32";
+}
+
+module.exports = {
+  createTunnel: createTunnel,
+  connectTunnel: connectTunnel
+};
diff --git a/src/utils/read-repo-url.js b/src/utils/read-repo-url.js
new file mode 100644
index 00000000000..09d6f4e1ba4
--- /dev/null
+++ b/src/utils/read-repo-url.js
@@ -0,0 +1,66 @@
+const url = require("url");
+const fetch = require("node-fetch");
+const { safeJoin } = require("safe-join");
+
+// supported repo host types
+const GITHUB = Symbol("GITHUB");
+// const BITBUCKET = Symbol('BITBUCKET')
+// const GITLAB = Symbol('GITLAB')
+
+/**
+ * Takes a url like https://github.com/netlify-labs/all-the-functions/tree/master/functions/9-using-middleware
+ * and returns https://api.github.com/repos/netlify-labs/all-the-functions/contents/functions/9-using-middleware
+ */
+async function readRepoURL(_url) {
+  const URL = url.parse(_url);
+  const repoHost = validateRepoURL(_url);
+  if (repoHost !== GITHUB)
+    throw new Error("only github repos are supported for now");
+  const [owner_and_repo, contents_path] = parseRepoURL(repoHost, URL);
+  const folderContents = await getRepoURLContents(
+    repoHost,
+    owner_and_repo,
+    contents_path
+  );
+  return folderContents;
+}
+
+async function getRepoURLContents(repoHost, owner_and_repo, contents_path) {
+  // naive joining strategy for now
+  if (repoHost === GITHUB) {
+    // https://developer.github.com/v3/repos/contents/#get-contents
+    const APIURL = safeJoin(
+      "https://api.github.com/repos",
+      owner_and_repo,
+      "contents",
+      contents_path
+    );
+    return fetch(APIURL)
+      .then(x => x.json())
+      .catch(
+        error => console.error("Error occurred while fetching ", APIURL, error) // eslint-disable-line no-console
+      );
+  }
+  throw new Error("unsupported host ", repoHost);
+}
+
+function validateRepoURL(_url) {
+  const URL = url.parse(_url);
+  if (URL.host !== "github.com") return null;
+  // other validation logic here
+  return GITHUB;
+}
+function parseRepoURL(repoHost, URL) {
+  // naive splitting strategy for now
+  if (repoHost === GITHUB) {
+    // https://developer.github.com/v3/repos/contents/#get-contents
+    const [owner_and_repo, contents_path] = URL.path.split("/tree/master"); // what if it's not master? note that our contents retrieval may assume it is master
+    return [owner_and_repo, contents_path];
+  }
+  throw new Error("unsupported host ", repoHost);
+}
+
+module.exports = {
+  readRepoURL,
+  validateRepoURL
+};
diff --git a/src/utils/serve-functions.js b/src/utils/serve-functions.js
new file mode 100644
index 00000000000..31afb4a5f41
--- /dev/null
+++ b/src/utils/serve-functions.js
@@ -0,0 +1,255 @@
+const fs = require("fs");
+const express = require("express");
+const bodyParser = require("body-parser");
+const expressLogging = require("express-logging");
+const queryString = require("querystring");
+const path = require("path");
+const getPort = require("get-port");
+const chokidar = require("chokidar");
+const jwtDecode = require("jwt-decode");
+const chalk = require("chalk");
+const {
+  NETLIFYDEVLOG,
+  // NETLIFYDEVWARN,
+  NETLIFYDEVERR
+} = require("netlify-cli-logo");
+const { getFunctions } = require("./get-functions");
+
+const defaultPort = 34567;
+
+function handleErr(err, response) {
+  response.statusCode = 500;
+  response.write(
+    `${NETLIFYDEVERR} Function invocation failed: ` + err.toString()
+  );
+  response.end();
+  console.log(`${NETLIFYDEVERR} Error during invocation: `, err); // eslint-disable-line no-console
+}
+
+// function getHandlerPath(functionPath) {
+//   if (functionPath.match(/\.js$/)) {
+//     return functionPath;
+//   }
+//   return path.join(functionPath, `${path.basename(functionPath)}.js`);
+// }
+
+function buildClientContext(headers) {
+  // inject a client context based on auth header, ported over from netlify-lambda (https://github.com/netlify/netlify-lambda/pull/57)
+  if (!headers.authorization) return;
+
+  const parts = headers.authorization.split(" ");
+  if (parts.length !== 2 || parts[0] !== "Bearer") return;
+
+  try {
+    return {
+      identity: {
+        url:
+          "https://netlify-dev-locally-emulated-identity.netlify.com/.netlify/identity",
+        token:
+          "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzb3VyY2UiOiJuZXRsaWZ5IGRldiIsInRlc3REYXRhIjoiTkVUTElGWV9ERVZfTE9DQUxMWV9FTVVMQVRFRF9JREVOVElUWSJ9.2eSDqUOZAOBsx39FHFePjYj12k0LrxldvGnlvDu3GMI"
+        // you can decode this with https://jwt.io/
+        // just says
+        // {
+        //   "source": "netlify dev",
+        //   "testData": "NETLIFY_DEV_LOCALLY_EMULATED_IDENTITY"
+        // }
+      },
+      user: jwtDecode(parts[1])
+    };
+  } catch (_) {
+    // Ignore errors - bearer token is not a JWT, probably not intended for us
+  }
+}
+
+function createHandler(dir) {
+  const functions = getFunctions(dir);
+
+  const clearCache = action => path => {
+    console.log(`${NETLIFYDEVLOG} ${path} ${action}, reloading...`); // eslint-disable-line no-console
+    Object.keys(require.cache).forEach(k => {
+      delete require.cache[k];
+    });
+  };
+  const watcher = chokidar.watch(dir, { ignored: /node_modules/ });
+  watcher
+    .on("change", clearCache("modified"))
+    .on("unlink", clearCache("deleted"));
+
+  return function(request, response) {
+    // handle proxies without path re-writes (http-servr)
+    const cleanPath = request.path.replace(/^\/.netlify\/functions/, "");
+
+    const func = cleanPath.split("/").filter(function(e) {
+      return e;
+    })[0];
+    if (!functions[func]) {
+      response.statusCode = 404;
+      response.end("Function not found...");
+      return;
+    }
+    const { functionPath, moduleDir } = functions[func];
+    let handler;
+    let before = module.paths;
+    try {
+      module.paths = [moduleDir];
+      handler = require(functionPath);
+      if (typeof handler.handler !== "function") {
+        throw new Error(
+          `function ${functionPath} must export a function named handler`
+        );
+      }
+      module.paths = before;
+    } catch (error) {
+      module.paths = before;
+      handleErr(error, response);
+      return;
+    }
+
+    const body = request.body.toString();
+    var isBase64Encoded = Buffer.from(body, 'base64').toString('base64') === body;
+
+    let remoteAddress = (request.headers['x-forwarded-for'] || request.headers['X-Forwarded-for'] || request.connection.remoteAddress || '')
+    remoteAddress = remoteAddress.split(remoteAddress.includes('.') ? ':' : ',').pop().trim()
+
+    const lambdaRequest = {
+      path: request.path,
+      httpMethod: request.method,
+      queryStringParameters: queryString.parse(request.url.split(/\?(.+)/)[1]),
+      headers: Object.assign({}, request.headers, { 'client-ip': remoteAddress }),
+      body: body,
+      isBase64Encoded: isBase64Encoded
+    };
+
+    let callbackWasCalled = false;
+    const callback = createCallback(response);
+    // we already checked that it exports a function named handler above
+    const promise = handler.handler(
+      lambdaRequest,
+      { clientContext: buildClientContext(request.headers) || {} },
+      callback
+    );
+    /** guard against using BOTH async and callback */
+    if (callbackWasCalled && promise && typeof promise.then === "function") {
+      throw new Error(
+        "Error: your function seems to be using both a callback and returning a promise (aka async function). This is invalid, pick one. (Hint: async!)"
+      );
+    } else {
+      // it is definitely an async function with no callback called, good.
+      promiseCallback(promise, callback);
+    }
+
+    /** need to keep createCallback in scope so we can know if cb was called AND handler is async */
+    function createCallback(response) {
+      return function(err, lambdaResponse) {
+        callbackWasCalled = true;
+        if (err) {
+          return handleErr(err, response);
+        }
+        if (lambdaResponse === undefined) {
+          return handleErr(
+            "lambda response was undefined. check your function code again.",
+            response
+          );
+        }
+        if (!Number(lambdaResponse.statusCode)) {
+          console.log(
+            `${NETLIFYDEVERR} Your function response must have a numerical statusCode. You gave: $`,
+            lambdaResponse.statusCode
+          );
+          return handleErr("Incorrect function response statusCode", response);
+        }
+        if (typeof lambdaResponse.body !== "string") {
+          console.log(
+            `${NETLIFYDEVERR} Your function response must have a string body. You gave:`,
+            lambdaResponse.body
+          );
+          return handleErr("Incorrect function response body", response);
+        }
+
+        response.statusCode = lambdaResponse.statusCode;
+        // eslint-disable-line guard-for-in
+        for (const key in lambdaResponse.headers) {
+          response.setHeader(key, lambdaResponse.headers[key]);
+        }
+        response.write(
+          lambdaResponse.isBase64Encoded
+            ? Buffer.from(lambdaResponse.body, "base64")
+            : lambdaResponse.body
+        );
+        response.end();
+      };
+    }
+  };
+}
+
+function promiseCallback(promise, callback) {
+  if (!promise) return; // means no handler was written
+  if (typeof promise.then !== "function") return;
+  if (typeof callback !== "function") return;
+
+  promise.then(
+    function(data) {
+      callback(null, data);
+    },
+    function(err) {
+      callback(err, null);
+    }
+  );
+}
+
+async function serveFunctions(settings) {
+  const app = express();
+  const dir = settings.functionsDir;
+  const port = await getPort({
+    port: assignLoudly(settings.port, defaultPort)
+  });
+
+  app.use(
+    bodyParser.text({
+      limit: "6mb",
+      type: ["text/*", "application/json", "multipart/form-data"]
+    })
+  );
+  app.use(bodyParser.raw({ limit: "6mb", type: "*/*" }));
+  app.use(
+    expressLogging(console, {
+      blacklist: ["/favicon.ico"]
+    })
+  );
+
+  app.get("/favicon.ico", function(req, res) {
+    res.status(204).end();
+  });
+  app.all("*", createHandler(dir));
+
+  app.listen(port, function(err) {
+    if (err) {
+      console.error(`${NETLIFYDEVERR} Unable to start lambda server: `, err); // eslint-disable-line no-console
+      process.exit(1);
+    }
+
+    // add newline because this often appears alongside the client devserver's output
+    console.log(`\n${NETLIFYDEVLOG} Lambda server is listening on ${port}`); // eslint-disable-line no-console
+  });
+
+  return Promise.resolve({
+    port
+  });
+}
+
+module.exports = { serveFunctions };
+
+// if first arg is undefined, use default, but tell user about it in case it is unintentional
+function assignLoudly(
+  optionalValue,
+  fallbackValue,
+  tellUser = dV =>
+    console.log(`${NETLIFYDEVLOG} No port specified, using defaultPort of `, dV) // eslint-disable-line no-console
+) {
+  if (fallbackValue === undefined) throw new Error("must have a fallbackValue");
+  if (fallbackValue !== optionalValue && optionalValue === undefined) {
+    tellUser(fallbackValue);
+    return fallbackValue;
+  }
+  return optionalValue;
+}