What's a good alternative if I want to self host and convenience?

I have some hobby sites I host on a VM and currently I use docker-compose mainly because it's so "easy" to just ssh into the machine and run something like "git pull && docker-compose up" and I can have whatever services + reverse proxy running.

If I were to sum up the requirements it would be to run one command, either it succeeds or fails in it's entirety, minimal to no risk of messing up the env during deployment.

Nix seems interesting but I don't know how it compares (yet to take a good look at it).