Hey, what do you mean 20% of your hardware goes to docker? If you're not running linux then docker isn't the issue, it's the VM. If you are running linux, it should be just as lightweight as say, systemd
Check out https://toys.whereis.みんな and nonguix which have a ton of proprietary stuff, and the tools in nonguix make it simple to package binaries for personal install if you want something quickly
Hey, if you're talking about Nix, Guix is a similar niche and I've had a great experience with the folks in the IRC chat and mailing list. Do try it out.
Opens dirty trenchcoat
"Hey kid, wanna try some nix/guix packages?"