{ ... }: { # Enable flakes: https://nixos.wiki/wiki/Flakes nix.settings.experimental-features = [ "nix-command" "flakes" ]; nix.optimise = { automatic = true; dates = "daily"; }; # Garbage collection -- Keep the system clean nix.gc = { automatic = true; dates = "daily"; options = "--delete-older-than 7d"; }; }