App not reachable
Teral couldn't connect to your app. It refused the connection or couldn't be reached, which often means it's restarting or listening on the wrong port.
| Code | err:frontline:upstream:service_unavailable |
|---|---|
| Status | 503 Service Unavailable |
| Returned by | The gateway, in front of your app |
What to do
Check that your app listens on the PORT variable and on all interfaces (0.0.0.0), not only localhost.
All errors · Gateway errors · frontline/upstream/service_unavailable