Create a shop list telegram bot!

First Heroku Push ask for procfile instead of heroku.yml: Heroku set the default stack to use procfile. Just need to change on command line as shown bellow. See this for more details.

heroku stack:set container

Heroku is trying to bind to port: Well, this app is not a web app, so, the dyno must be set to be a worker. More about it here. Remember to set worker in the heroku.yml. If the dyno isn't starting up correctly, go and manually start it up!