Procfile DOC

The purpose of the project is to provide an interactive map with the flow and interactions between the Twitter's users around a specified word, topic or hashtag

As we can see, my Procfile’s content is the following:

web: gunicorn app:app

Let’s have a look on this sentences:

Procfile starts with web due to the fact that TwitterLocationFlow is a web app. Besides, as I’m using Python, gunicorn is used as WSGI characterised by having a simple Python configuration, an automatic worker process management and being natively supportive of WSGI and web2py.
With app:app it is indicated where to find the main web app (which is in the root directory in this case).