Deployment changes

There's a couple changes we need because of our Heroku environment.  One
of them is to go back to using Node 8.11.4.  While we wish to use Node
10 here, in advance of iid-verify, there's a bug somewhere which breaks
the Postgres library.

The main reason for Node 10 was for a stable N-Api, but it turns out
that Node 8.12 will bump N-Api to stable status per:

nodejs/node#21593

lib/main.js

@@ -125,15 +125,6 @@ let load = loader({
     },
   },
 
-  server: {
-    requires: ['cfg', 'api'],
-    setup: ({cfg, api}) => {
-      let app = App(cfg.server);
-      app.use('/v1', api);
-      return app.createServer();
-    },
-  },
-
   server: {
     requires: ['cfg', 'api'],
     setup: ({cfg, api}) => App({

package.json

@@ -6,8 +6,8 @@
   "author": "John Ford <john@johnford.org>",
   "license": "MPL-2.0",
   "engines": {
-    "node": ">=10",
-    "yarn": ">=1.9.2"
+    "node": "8.11.4",
+    "yarn": "1.9.4"
   },
   "scripts": {
     "heroku-prebuild": "echo $SOURCE_VERSION > .git-version",
@@ -35,7 +35,9 @@
     "typed-env-config": "^2.0.0",
     "which": "^1.3.1"
   },
-  "optionalDependencies": {},
+  "optionalDependencies": {
+    "pg-native": "^3.0.0"
+  },
   "devDependencies": {
     "assume": "^2.1.0",
     "eslint": "^5.5.0",

yarn.lock

@@ -481,6 +481,10 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+bindings@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.2.1.tgz#14ad6113812d2d37d72e67b4cacb4bb726505f11"
+
 bitsyntax@~0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/bitsyntax/-/bitsyntax-0.0.4.tgz#eb10cc6f82b8c490e3e85698f07e83d46e0cba82"
@@ -2332,6 +2336,13 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+libpq@^1.7.0:
+  version "1.8.8"
+  resolved "https://registry.yarnpkg.com/libpq/-/libpq-1.8.8.tgz#805005723c15c061185ae5cd8128b6e4174c1810"
+  dependencies:
+    bindings "1.2.1"
+    nan "^2.10.0"
+
 load-json-file@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
@@ -2903,10 +2914,32 @@ pg-connection-string@0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/pg-connection-string/-/pg-connection-string-0.1.3.tgz#da1847b20940e42ee1492beaf65d49d91b245df7"
 
+pg-int8@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
+
+pg-native@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pg-native/-/pg-native-3.0.0.tgz#20c64e651e20b28f5c060b3823522d1c8c4429c3"
+  dependencies:
+    libpq "^1.7.0"
+    pg-types "^1.12.1"
+    readable-stream "1.0.31"
+
 pg-pool@^2.0.3, pg-pool@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-2.0.3.tgz#c022032c8949f312a4f91fb6409ce04076be3257"
 
+pg-types@^1.12.1:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-1.13.0.tgz#75f490b8a8abf75f1386ef5ec4455ecf6b345c63"
+  dependencies:
+    pg-int8 "1.0.1"
+    postgres-array "~1.0.0"
+    postgres-bytea "~1.0.0"
+    postgres-date "~1.0.0"
+    postgres-interval "^1.1.0"
+
 pg-types@~1.12.1:
   version "1.12.1"
   resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-1.12.1.tgz#d64087e3903b58ffaad279e7595c52208a14c3d2"
@@ -3113,6 +3146,15 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
+readable-stream@1.0.31:
+  version "1.0.31"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.31.tgz#8f2502e0bc9e3b0da1b94520aabb4e2603ecafae"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 "readable-stream@1.x >=1.1.9":
   version "1.1.14"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"