{
  pkgs,
  username,
  ...
}: {
  system.stateVersion = "24.05";
  nixpkgs.config.allowUnfree = true;
  nix = {
    settings = {
      auto-optimise-store = true;
      experimental-features = ["nix-command" "flakes"];
      substituters = ["https://nix-gaming.cachix.org"];
    };
  };

  environment = {
    variables = {
      PATH = "${pkgs.clang-tools}/bin:$PATH";
    };
    shells = with pkgs; [
      zsh
      bash
    ];
  };

  users.users."${username}" = {
    shell = pkgs.zsh;
    isNormalUser = true;
    extraGroup = ["wheel"];
    initialPassword = "1111";
  };

  time.timeZone = "America/New_York";
  i18n.defaultLocale = "en_US.UTF-8";
}