Add more config variable

app.json

@@ -25,6 +25,84 @@
         "DB_TYPE": {
             "description": "Specify database type. See sequelize available databases. Default using postgres",
             "value": "postgres"
+        },
+
+        "HMD_DOMAIN": {
+            "description": "domain name",
+            "required": false
+        },
+        "HMD_URL_PATH": {
+            "description": "sub url path, like `www.example.com/<URL_PATH>`",
+            "required": false
+        },
+        "HMD_ALLOW_ORIGIN": {
+            "description": "web app port",
+            "required": false,
+            "value": "80"
+        },
+        "HMD_PROTOCOL_USESSL": {
+            "description": "set to use ssl protocol for resources path (only applied when domain is set)",
+            "required": false
+        },
+        "HMD_URL_ADDPORT": {
+            "description": "set to add port on callback url (port 80 or 443 won't applied) (only applied when domain is set)",
+            "required": false
+        },
+        "HMD_FACEBOOK_CLIENTID": {
+            "description": "Facebook API client id",
+            "required": false
+        },
+        "HMD_FACEBOOK_CLIENTSECRET": {
+            "description": "Facebook API client secret",
+            "required": false
+        },
+        "HMD_TWITTER_CONSUMERKEY": {
+            "description": "Twitter API consumer key",
+            "required": false
+        },
+        "HMD_TWITTER_CONSUMERSECRET": {
+            "description": "Twitter API consumer secret",
+            "required": false
+        },
+        "HMD_GITHUB_CLIENTID": {
+            "description": "GitHub API client id",
+            "required": false
+        },
+        "HMD_GITHUB_CLIENTSECRET": {
+            "description": "GitHub API client secret",
+            "required": false
+        },
+        "HMD_GITLAB_BASEURL": {
+            "description": "GitLab authentication endpoint, set to use other endpoint than GitLab.com (optional)",
+            "required": false
+        },
+        "HMD_GITLAB_CLIENTID": {
+            "description": "GitLab API client id",
+            "required": false
+        },
+        "HMD_GITLAB_CLIENTSECRET": {
+            "description": "GitLab API client secret",
+            "required": false
+        },
+        "HMD_DROPBOX_CLIENTID": {
+            "description": "Dropbox API client id",
+            "required": false
+        },
+        "HMD_DROPBOX_CLIENTSECRET": {
+            "description": "Dropbox API client secret",
+            "required": false
+        },
+        "HMD_GOOGLE_CLIENTID": {
+            "description": "Google API client id",
+            "required": false
+        },
+        "HMD_GOOGLE_CLIENTSECRET": {
+            "description": "Google API client secret",
+            "required": false
+        },
+        "HMD_IMGUR_CLIENTID": {
+            "description": "Imgur API client id",
+            "required": false
         }
     },
     "addons": [