Hi, I followed this documentation https://docs.nodebb.org/installing/cloud/heroku/ and at first everything is running there were no errors ...
but I don't access the nodebb page, and the log points this error:

2020-04-30T19:35:38.780260+00:00 heroku[router]: at=error code=H12 desc="Request timeout" method=GET path="/" host=floating-shelf-24944.herokuapp.com request_id=34ca7959-a9c0-4d32-900a-40df490be0de fwd="189.54.22.91" dyno=web.1 connect=1ms service=30001ms status=503 bytes=0 protocol=https