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THIS IS THE LOGS I GOT. My flask app does not go live on heroku for some reason.

app[web.1]: [2020-12-13 07:39:11 +0000] [4] [INFO] Shutting down: Master
2020-12-13T07:39:11.844914+00:00 app[web.1]: [2020-12-13 07:39:11 +0000] [4] [INFO] Reason: Worker failed to boot.
2020-12-13T07:39:12.061573+00:00 heroku[web.1]: Process exited with status 3
2020-12-13T07:39:12.113274+00:00 heroku[web.1]: State changed from starting to crashed
2020-12-13T07:39:13.526369+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=yusuf-chat.herokuapp.com request_id=3bc46960-cfb6-48fe-89a4-b1ea0b0a700c fwd="197.210.70.6" dyno= connect= service= status=503 bytes= protocol=https
2020-12-13T07:39:18.989622+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=yusuf-chat.herokuapp.com request_id=c1e548d1-e568-4b7c-b145-44ed84c39c17 fwd="197.210.70.6" dyno= connect= service= status=503 bytes= protocol=https
2020-12-13T07:52:41.881317+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=yusuf-chat.herokuapp.com request_id=6c574ab4-0082-47b4-bfec-27a49f4b648a fwd="197.210.54.20" dyno= connect= service= status=503 bytes= protocol=https
2020-12-13T07:52:44.694686+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=yusuf-chat.herokuapp.com request_id=151e52d2-ade2-4cc7-a861-a9c18f456f4b fwd="197.210.226.61" dyno= connect= service= status=503 bytes= protocol=https
2020-12-13T07:56:05.523749+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=yusuf-chat.herokuapp.com request_id=f3a63c8f-a974-412b-88ce-2e36b30d1c89 fwd="197.210.55.182" dyno= connect= service= status=503 bytes= protocol=https
2020-12-13T07:56:06.006651+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=yusuf-chat.herokuapp.com request_id=50406ddf-ab46-424b-9d4b-0f2e6508c839 fwd="197.210.54.20" dyno= connect= service= status=503 bytes= protocol=https
Oliver Hnat
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Yusuf Muhammad Zakar
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1 Answers1

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Your application seems to get received 503 "Service Unavailable" Error.

This error can be originated from various symptoms.

Your problem may be sourced from your application layer.

You should be sure:

  • Debug your app on your localhost and trace the error.
  • The app should run without error on your test environment.
  • You should optimize CPU-Memory usage of your application and heroku host.
  • You should test routing settings of app.
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