R10 error when deploying to heroku

[1vers1on]

getting r10 error and application error when deploying to heroku

[Quart2629]

Heroku is not supported yet, only repl. We are trying to get General Math supported with heroku

[apivovarov]

Deployed to Heroku using the Link in README
It was deployed successfully

But "Open app" link shows error page

Application error
An error occurred in the application and your page could not be served. If you are the application owner, [check your logs for details](https://devcenter.heroku.com/articles/logging#view-logs). You can do this from the Heroku CLI with the command
heroku logs --tail

Logs

2022-09-24T18:11:26.101451+00:00 heroku[router]: at=error code=H20 desc="App boot timeout" method=GET path="/" host=gen-math.herokuapp.com request_id=f46bea13-0e97-4fa8-b9a9-eb06ef0d3329 fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https
2022-09-24T18:11:26.337981+00:00 heroku[web.1]: Error R10 (Boot timeout) -> Web process failed to bind to $PORT within 60 seconds of launch
2022-09-24T18:11:26.421590+00:00 heroku[web.1]: Stopping process with SIGKILL
2022-09-24T18:11:26.581840+00:00 heroku[web.1]: Process exited with status 137
2022-09-24T18:11:26.780784+00:00 heroku[web.1]: State changed from starting to crashed
2022-09-24T18:11:28.728887+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=gen-math.herokuapp.com request_id=8fb1e1fc-620a-4ce8-bbf7-af5b66ab9676 fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https
2022-09-24T18:13:21.503021+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=gen-math.herokuapp.com request_id=c90f6b20-d2fb-4ef3-b216-3b7ecc35aadc fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https
2022-09-24T18:13:21.878479+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=gen-math.herokuapp.com request_id=4cacea25-e4aa-4b60-8f09-6e6d7ddf8c5e fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https
2022-09-24T18:16:07.544947+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=gen-math.herokuapp.com request_id=cad3c888-2453-4dc8-9ed7-a3ac84aec445 fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https
2022-09-24T18:16:07.874824+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=gen-math.herokuapp.com request_id=4a719342-0d05-45db-8170-1b1931cbc6d9 fwd="73.63.132.230" dyno= connect= service= status=503 bytes= protocol=https

[Harlan124]

same