{ lib, ... }:

{
  nix = {
    settings = {
      auto-optimise-store = true;
      experimental-features = [ "nix-command" "flakes" ];
    };
    gc = {
      automatic = true;
      dates = "daily";
      options = "--delete-old";
    };
    settings.max-jobs = lib.mkDefault 1;
  };
  system.autoUpgrade = {
    enable = true;
    flake = "git+file:///etc/nixos/";
    flags = [ "--update-input" "nixpkgs" "--commit-lock-file" ];
  };
}