This issue tracks the creation of a Guix System implementation of
"I erase my systems at every boot.
NixOS can boot with only two directories: /boot, and /nix."
I have a working prototype of
https://elis.nu/blog/2020/05/nixos-tmpfs-as-root/. I will submit some
small fixes in the short term, and later some larger patches.
Ideally this will result in a cookbook entry, and a CI test.