I wrote a blog post on TestDriven.io about how server-side sessions can be implemented in Flask with Flask-Session and Redis:
https://testdriven.io/blog/flask-server-side-sessions/
This blog post looks at how to implement server-side sessions work in Flask by covering the following topics:
- What is a session?
- Client-side vs. server-side sessions
- Flask-Session overview
- Example Flask application that implements server-side sessions using Flask-Session and Redis