{ ... }:

{
  services.xserver = {
    enable = true;
    layout = "us";

    windowManager.xmonad = {
      enable = true;     # installs xmonad and makes it available
      enableContribAndExtras = true; # makes xmonad-contrib and xmonad-extras available
      extraPackages = self: [ self.xmonadContrib ];
    };

    windowManager.default       = "xmonad"; # sets it as default

    desktopManager.default      = "none";   # the plain xmonad experience
    desktopManager.xterm.enable = false;
  };
}