Deploying program to Heroku. Errors

Question

I'm using a python program on heroku using bottle framework. To run it locally, i used

  run(host='localhost', port=8080)

to run it online what should i change it to.

Answer 1

 port = int(os.environ.get("PORT", 5000)) app.run(host='0.0.0.0', port=port) 

Source: Heroku/Python Quickstart