{pkgs, ...}: {
  nixpkgs.config = {
    allowUnfree = true;
  };

  nix = {
    optimise.automatic =
      if pkgs.stdenv.hostPlatform.system == "aarch64-darwin"
      then true
      else false;
    settings = {
      auto-optimise-store =
        if pkgs.stdenv.hostPlatform.system == "x86_64-linux"
        then true
        else false;
      trusted-users = ["root" "relms"];
    };
    extraOptions = ''
      experimental-features = nix-command flakes
    '';
  };

  system.stateVersion =
    if pkgs.stdenv.isLinux
    then "24.11"
    else 5;
}