Python is a popular language for many applications. Those that run as backend services, now in the 2020s, are often run inside containers. For that to work, though, you have to build a container.
Often, with microservice architectures, it makes sense to build a "root" base image, which all of your services get built on. Most of this article focuses on that base image since this is where it is easiest to make mistakes. However, I also cover the applications themselves because a good base without good applications isn't of much use.
