Flask Many discussions about Python web frameworks begin with Flask, and for good reason. Flask is a well established, well understood framework that is easy to use and quite stable.

To run the application, use python -m flask run in the same directory as app.py. You should see something like the following in the console: * Environment: production ...

A further 22% of Python developers use DigitalOcean, and 20% use Heroku. Microsoft Azure comes in at fifth place with a 19% share while 12% use PythonAnywhere.