You might want to read this blog post as it walks through setting up a dev environment for Python with and without Docker: https://nickjanetakis.com/blog/setti

You might want to read this blog post as it walks through setting up a dev environment for Python with and without Docker: https://nickjanetakis.com/blog/setting-up-a-python-development-environment-with-and-without-docker https://nickjanetakis.com/blog/setting-up-a-python-developme... The TL;DR is a typical web app is often a lot more than just running Python, and there's a huge amount of value in being able to run the same code across different operating systems without any installation changes.