This setup is specific for a Python flask app, but it could be adapted for any stack you desire.
Important thing to remember when deploying to Heroku is that you include the Procfile, and ensure in your main application .py file, that you select the port from the environment variable. This is due to the inner workings of the Heroku Dyno.
The GitHub project used in this video is at
https://github.com/Sean-Bradley/Seans-Python3-Flask-Rest-Boilerplate
You can do this to,
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