diff --git a/app/Http/Controllers/AdminController.php b/app/Http/Controllers/AdminController.php
index 32584df..81d1a22 100644
--- a/app/Http/Controllers/AdminController.php
+++ b/app/Http/Controllers/AdminController.php
@@ -31,11 +31,18 @@ public function index(Request $request)
         $participants = \App\Participant::where('tenant_id', $tenant_id)->get();
         $tenant = \DB::table('tenants')->where('id', $tenant_id)->first();
 
-        $visitor_link = $request->getSchemeAndHttpHost();
-        // this is not a single instance installation
-        if (\DB::table('users')->where('tenant_id', "=", 1)->count() == 0)
+        if (!empty($tenant->external_url))
         {
-            $visitor_link .= "/?uuid=".$tenant->uuid;
+            $visitor_link = $tenant->external_url;
+        }
+        else
+        {
+            $visitor_link = $request->getSchemeAndHttpHost();
+            // this is not a single instance installation
+            if (\DB::table('users')->where('tenant_id', "=", 1)->count() == 0)
+            {
+                $visitor_link .= "/?uuid=".$tenant->uuid;
+            }
         }
 
         $churchname = $tenant->name;
diff --git a/package-lock.json b/package-lock.json
index 5029c47..8b0f807 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -968,19 +968,12 @@
             "integrity": "sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==",
             "dev": true
         },
-        "@types/events": {
-            "version": "3.0.0",
-            "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
-            "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
-            "dev": true
-        },
         "@types/glob": {
-            "version": "7.1.1",
-            "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
-            "integrity": "sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==",
+            "version": "7.1.2",
+            "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.2.tgz",
+            "integrity": "sha512-VgNIkxK+j7Nz5P7jvUZlRvhuPSmsEfS03b0alKcq5V/STUKAa3Plemsn5mrQUO7am6OErJ4rhGEGJbACclrtRA==",
             "dev": true,
             "requires": {
-                "@types/events": "*",
                 "@types/minimatch": "*",
                 "@types/node": "*"
             }
@@ -992,9 +985,9 @@
             "dev": true
         },
         "@types/node": {
-            "version": "13.13.4",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-13.13.4.tgz",
-            "integrity": "sha512-x26ur3dSXgv5AwKS0lNfbjpCakGIduWU1DU91Zz58ONRWrIKGunmZBNv4P7N+e27sJkiGDsw/3fT4AtsqQBrBA==",
+            "version": "14.0.11",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.11.tgz",
+            "integrity": "sha512-lCvvI24L21ZVeIiyIUHZ5Oflv1hhHQ5E1S25IRlKIXaRkVgmXpJMI3wUJkmym2bTbCe+WoIibQnMVAU3FguaOg==",
             "dev": true
         },
         "@types/q": {
@@ -3430,9 +3423,9 @@
             "dev": true
         },
         "eventemitter3": {
-            "version": "4.0.0",
-            "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.0.tgz",
-            "integrity": "sha512-qerSRB0p+UDEssxTtm6EDKcE7W4OaoisfIMl4CngyEhjpYglocpNg6UEqCvemdGhosAsg4sO2dXJOdyBifPGCg==",
+            "version": "4.0.4",
+            "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.4.tgz",
+            "integrity": "sha512-rlaVLnVxtxvoyLsQQFBx53YmXHDxRIzzTLbdfxqi4yocpSjAxXwkU0cScM5JgSKMqEhrZpnvQ2D9gjylR0AimQ==",
             "dev": true
         },
         "events": {
@@ -5005,16 +4998,10 @@
                 }
             }
         },
-        "http-parser-js": {
-            "version": "0.4.10",
-            "resolved": "https://registry.npmjs.org/http-parser-js/-/http-parser-js-0.4.10.tgz",
-            "integrity": "sha1-ksnBN0w1CF912zWexWzCV8u5P6Q=",
-            "dev": true
-        },
         "http-proxy": {
-            "version": "1.18.0",
-            "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.0.tgz",
-            "integrity": "sha512-84I2iJM/n1d4Hdgc6y2+qY5mDaz2PUVjlg9znE9byl+q0uC3DeByqBGReQu5tpLK0TAqTIXScRUV+dg7+bUPpQ==",
+            "version": "1.18.1",
+            "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.1.tgz",
+            "integrity": "sha512-7mz/721AbnJwIVbnaSv1Cz3Am0ZLT/UBwkC92VlxhXv/k/BBQfM2fXElQNC27BVGr0uwUpplYPQM9LnaBMR5NQ==",
             "dev": true,
             "requires": {
                 "eventemitter3": "^4.0.0",
@@ -6861,9 +6848,9 @@
             "dev": true
         },
         "portfinder": {
-            "version": "1.0.25",
-            "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.25.tgz",
-            "integrity": "sha512-6ElJnHBbxVA1XSLgBp7G1FiCkQdlqGzuF7DswL5tcea+E8UpuvPU7beVAjjRwCioTS9ZluNbu+ZyRvgTsmqEBg==",
+            "version": "1.0.26",
+            "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.26.tgz",
+            "integrity": "sha512-Xi7mKxJHHMI3rIUrnm/jjUgwhbYMkp/XKEcZX3aG4BrumLpq3nmoQMX+ClYnDZnZ/New7IatC1no5RX0zo1vXQ==",
             "dev": true,
             "requires": {
                 "async": "^2.6.2",
@@ -8555,13 +8542,14 @@
             }
         },
         "sockjs": {
-            "version": "0.3.19",
-            "resolved": "https://registry.npmjs.org/sockjs/-/sockjs-0.3.19.tgz",
-            "integrity": "sha512-V48klKZl8T6MzatbLlzzRNhMepEys9Y4oGFpypBFFn1gLI/QQ9HtLLyWJNbPlwGLelOVOEijUbTTJeLLI59jLw==",
+            "version": "0.3.20",
+            "resolved": "https://registry.npmjs.org/sockjs/-/sockjs-0.3.20.tgz",
+            "integrity": "sha512-SpmVOVpdq0DJc0qArhF3E5xsxvaiqGNb73XfgBpK1y3UD5gs8DSo8aCTsuT5pX8rssdc2NDIzANwP9eCAiSdTA==",
             "dev": true,
             "requires": {
                 "faye-websocket": "^0.10.0",
-                "uuid": "^3.0.1"
+                "uuid": "^3.4.0",
+                "websocket-driver": "0.6.5"
             }
         },
         "sockjs-client": {
@@ -9977,17 +9965,17 @@
             },
             "dependencies": {
                 "mime": {
-                    "version": "2.4.4",
-                    "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.4.tgz",
-                    "integrity": "sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==",
+                    "version": "2.4.6",
+                    "resolved": "https://registry.npmjs.org/mime/-/mime-2.4.6.tgz",
+                    "integrity": "sha512-RZKhC3EmpBchfTGBVb8fb+RL2cWyw/32lshnsETttkBAyAUXSGHxbEJWWRXc751DrIxG1q04b8QwMbAwkRPpUA==",
                     "dev": true
                 }
             }
         },
         "webpack-dev-server": {
-            "version": "3.10.3",
-            "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-3.10.3.tgz",
-            "integrity": "sha512-e4nWev8YzEVNdOMcNzNeCN947sWJNd43E5XvsJzbAL08kGc2frm1tQ32hTJslRS+H65LCb/AaUCYU7fjHCpDeQ==",
+            "version": "3.11.0",
+            "resolved": "https://registry.npmjs.org/webpack-dev-server/-/webpack-dev-server-3.11.0.tgz",
+            "integrity": "sha512-PUxZ+oSTxogFQgkTtFndEtJIPNmml7ExwufBZ9L2/Xyyd5PnOL5UreWe5ZT7IU25DSdykL9p1MLQzmLh2ljSeg==",
             "dev": true,
             "requires": {
                 "ansi-html": "0.0.7",
@@ -9998,33 +9986,39 @@
                 "debug": "^4.1.1",
                 "del": "^4.1.1",
                 "express": "^4.17.1",
-                "html-entities": "^1.2.1",
+                "html-entities": "^1.3.1",
                 "http-proxy-middleware": "0.19.1",
                 "import-local": "^2.0.0",
                 "internal-ip": "^4.3.0",
                 "ip": "^1.1.5",
                 "is-absolute-url": "^3.0.3",
                 "killable": "^1.0.1",
-                "loglevel": "^1.6.6",
+                "loglevel": "^1.6.8",
                 "opn": "^5.5.0",
                 "p-retry": "^3.0.1",
-                "portfinder": "^1.0.25",
+                "portfinder": "^1.0.26",
                 "schema-utils": "^1.0.0",
                 "selfsigned": "^1.10.7",
                 "semver": "^6.3.0",
                 "serve-index": "^1.9.1",
-                "sockjs": "0.3.19",
+                "sockjs": "0.3.20",
                 "sockjs-client": "1.4.0",
-                "spdy": "^4.0.1",
+                "spdy": "^4.0.2",
                 "strip-ansi": "^3.0.1",
                 "supports-color": "^6.1.0",
                 "url": "^0.11.0",
                 "webpack-dev-middleware": "^3.7.2",
                 "webpack-log": "^2.0.0",
                 "ws": "^6.2.1",
-                "yargs": "12.0.5"
+                "yargs": "^13.3.2"
             },
             "dependencies": {
+                "ansi-regex": {
+                    "version": "4.1.0",
+                    "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+                    "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+                    "dev": true
+                },
                 "debug": {
                     "version": "4.1.1",
                     "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -10034,18 +10028,61 @@
                         "ms": "^2.1.1"
                     }
                 },
+                "find-up": {
+                    "version": "3.0.0",
+                    "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+                    "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+                    "dev": true,
+                    "requires": {
+                        "locate-path": "^3.0.0"
+                    }
+                },
                 "is-absolute-url": {
                     "version": "3.0.3",
                     "resolved": "https://registry.npmjs.org/is-absolute-url/-/is-absolute-url-3.0.3.tgz",
                     "integrity": "sha512-opmNIX7uFnS96NtPmhWQgQx6/NYFgsUXYMllcfzwWKUMwfo8kku1TvE6hkNcH+Q1ts5cMVrsY7j0bxXQDciu9Q==",
                     "dev": true
                 },
+                "locate-path": {
+                    "version": "3.0.0",
+                    "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
+                    "integrity": "sha512-7AO748wWnIhNqAuaty2ZWHkQHRSNfPVIsPIfwEOWO22AmaoVrWavlOcMR5nzTLNYvp36X220/maaRsrec1G65A==",
+                    "dev": true,
+                    "requires": {
+                        "p-locate": "^3.0.0",
+                        "path-exists": "^3.0.0"
+                    }
+                },
                 "ms": {
                     "version": "2.1.2",
                     "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
                     "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
                     "dev": true
                 },
+                "p-limit": {
+                    "version": "2.3.0",
+                    "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.3.0.tgz",
+                    "integrity": "sha512-//88mFWSJx8lxCzwdAABTJL2MyWB12+eIY7MDL2SqLmAkeKU9qxRvWuSyTjm3FUmpBEMuFfckAIqEaVGUDxb6w==",
+                    "dev": true,
+                    "requires": {
+                        "p-try": "^2.0.0"
+                    }
+                },
+                "p-locate": {
+                    "version": "3.0.0",
+                    "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-3.0.0.tgz",
+                    "integrity": "sha512-x+12w/To+4GFfgJhBEpiDcLozRJGegY+Ei7/z0tSLkMmxGZNybVMSfWj9aJn8Z5Fc7dBUNJOOVgPv2H7IwulSQ==",
+                    "dev": true,
+                    "requires": {
+                        "p-limit": "^2.0.0"
+                    }
+                },
+                "p-try": {
+                    "version": "2.2.0",
+                    "resolved": "https://registry.npmjs.org/p-try/-/p-try-2.2.0.tgz",
+                    "integrity": "sha512-R4nPAVTAU0B9D35/Gk3uJf/7XYbQcyohSKdvAxIRSNghFl4e71hVoGnBNQz9cWaXxO2I10KTC+3jMdvvoKw6dQ==",
+                    "dev": true
+                },
                 "schema-utils": {
                     "version": "1.0.0",
                     "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-1.0.0.tgz",
@@ -10063,6 +10100,28 @@
                     "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
                     "dev": true
                 },
+                "string-width": {
+                    "version": "3.1.0",
+                    "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+                    "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+                    "dev": true,
+                    "requires": {
+                        "emoji-regex": "^7.0.1",
+                        "is-fullwidth-code-point": "^2.0.0",
+                        "strip-ansi": "^5.1.0"
+                    },
+                    "dependencies": {
+                        "strip-ansi": {
+                            "version": "5.2.0",
+                            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+                            "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+                            "dev": true,
+                            "requires": {
+                                "ansi-regex": "^4.1.0"
+                            }
+                        }
+                    }
+                },
                 "supports-color": {
                     "version": "6.1.0",
                     "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
@@ -10071,6 +10130,24 @@
                     "requires": {
                         "has-flag": "^3.0.0"
                     }
+                },
+                "yargs": {
+                    "version": "13.3.2",
+                    "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+                    "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
+                    "dev": true,
+                    "requires": {
+                        "cliui": "^5.0.0",
+                        "find-up": "^3.0.0",
+                        "get-caller-file": "^2.0.1",
+                        "require-directory": "^2.1.1",
+                        "require-main-filename": "^2.0.0",
+                        "set-blocking": "^2.0.0",
+                        "string-width": "^3.0.0",
+                        "which-module": "^2.0.0",
+                        "y18n": "^4.0.0",
+                        "yargs-parser": "^13.1.2"
+                    }
                 }
             }
         },
@@ -10123,20 +10200,18 @@
             }
         },
         "websocket-driver": {
-            "version": "0.7.3",
-            "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.3.tgz",
-            "integrity": "sha512-bpxWlvbbB459Mlipc5GBzzZwhoZgGEZLuqPaR0INBGnPAY1vdBX6hPnoFXiw+3yWxDuHyQjO2oXTMyS8A5haFg==",
+            "version": "0.6.5",
+            "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.6.5.tgz",
+            "integrity": "sha1-XLJVbOuF9Dc8bYI4qmkchFThOjY=",
             "dev": true,
             "requires": {
-                "http-parser-js": ">=0.4.0 <0.4.11",
-                "safe-buffer": ">=5.1.0",
                 "websocket-extensions": ">=0.1.1"
             }
         },
         "websocket-extensions": {
-            "version": "0.1.3",
-            "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-            "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
+            "version": "0.1.4",
+            "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+            "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg==",
             "dev": true
         },
         "which": {