Not sure, but if LineageOS supports it, that should be all you need

Yea kinda. Android is switching to quarterly releases, so my phone now says “Android 15” but this was QPR2 specifically

https://docs.docker.com/engine/install/debian/#install-using-the-repository

That’s it lol. To turn on the terminal, it’s a developer option for now, and is very alpha, just search for Linux in settings after turning on dev mode