I’d jump on the bandwagon of nixos, I use it myself and love it, does exactly what you’re asking for
However judging on some of your other comments it might be a better idea to just suck up having to manually rebuild until you understand the basics of Linux a little better
(nixos more or less requires you understand programming syntax for writing your system config)
I’m sure as shit trusting proton over some random public network in a cafe setup by some random open reach engineer or something