Adding authentication to Flask microservice | Software Architecture for beginners, part 4

How can you easily add authentication and authorization capabilities in a 3-layered Flask REST API? Welcome to the final lesson of my free "Software Architecture for Beginners" course.

Today we will:

1) Recap 3-layer software architecture pattern
1.1) Benefits of the 3-layer architecture
2) Learn the difference between authentication and authorization
3) Explore how authentication and authorisation logic fits into N-tier architecture
3.1) Where do you put the authentication and authorisation code?
4) Live coding demonstrating - Adding authentication and authorization