Depends. What should docker do for you?

But has the original author the patent?

Does the MS version have stuff that would be incompatible with the original?

If not they made an absolute shitty move.

This is a good book to start with small usefull projects in python: https://automatetheboringstuff.com/

I think as soon as you add mods to your application that can bring their own code with them you have a potential security issue. The most secure approach that I have seen is wasm mods/plugins run in a sandbox.