I have used NixOS. It's fustrations led me to develop this. https://github.com/pauldotknopf/darch https://github.com/pauldotknopf/darch It is essentially Dock

I have used NixOS. It's fustrations led me to develop this. https://github.com/pauldotknopf/darch https://github.com/pauldotknopf/darch It is essentially Docker, but you can boot bare-metal with it. It even uses Docker under the hood. Every boot is a fresh boot. You can read-write during boot, but all changes are made to ram. You mount with fstab things you want persisted, like home. It uses very simply primitives, which makes it easy to use. Squashfs/grub-mkconfig/overlayfs/etc. Docker isn't exactly a "primitive", but it is easily reasoned with.