fix: change heroku and scalingo config schema for 2.0.0

Signed-off-by: BoHong Li <raccoon@hackmd.io>

Author: a60814billy

app.json

@@ -15,14 +15,6 @@
             "description": "Let npm also install development build tool",
             "value": "false"
         },
-        "CMD_PORT": {
-            "description": "Listen Port",
-            "value": "$PORT"
-        },
-        "CMD_DB_URL": {
-            "description": "Database URL",
-            "value": "$DATABASE_URL"
-        },
         "CMD_SESSION_SECRET": {
             "description": "Secret used to secure session cookies.",
             "required": false

scalingo.json

@@ -148,6 +148,10 @@
             "description": "Database query url",
             "value": "$DATABASE_URL"
         },
+        "CMD_PORT": {
+            "description": "Listening Port",
+            "value": "$PORT"
+        },
         "DYNO": {
             "description": "Require this env var for deploy correctly the app",
             "value": "Scalingo"