{...}: { virtualisation.docker = { enable = true; }; security.polkit.enable = true; services.gnome.gnome-keyring.enable = true; nix.settings.experimental-features = [ "nix-command" "flakes" ]; nixpkgs.config.allowUnfree = true; programs.steam.enable = true; hardware.steam-hardware.enable = true; time.timeZone = "America/Los_Angeles"; i18n.defaultLocale = "en_US.UTF-8"; networking.networkmanager.enable = true; }