{pkgs, ...}: {
  environment.systemPackages = with pkgs; [
    steamcmd
    jdk17
    steam-run
  ];

  networking.firewall = {
    allowedTCPPorts = [
      16261
      16262
    ];

    allowedUDPPorts = [
      16261
      16262
    ];
  };

  users.users.pzserver = {
    isSystemUser = true;
    group = "pzserver";
    home = "/srv/pzserver-home";
    createHome = true;
  };

  users.groups.pzserver = {};

  systemd.tmpfiles.rules = [
    "d /srv/pzserver 0755 pzserver pzserver -"
    "d /srv/pzserver-home 0755 pzserver pzserver -"
  ];
}