{ lib, pkgs, config, ... }: {

  users.users.heater-control = { };

  #systemd.services.heater-control = {
  #  enable = true;
  #  wantedBy = [ "multi-user.target" ];
  #  serviceConfig = { User = "heater-control"; };
  #  script =
  #    let myPython = pkgs.python3.withPackages (ps: with ps; [ paho-mqtt ]);
  #    in ''
  #      cd ${<mqtt>}
  #      ${myPython}/bin/python heater.py
  #    '';
  #};

  users.users.fyrtur-control = { };

  systemd.services.fyrtur-control = {
    enable = true;
    wantedBy = [ "multi-user.target" ];
    serviceConfig = { User = "fyrtur-control"; };
    script =
      let myPython = pkgs.python3.withPackages (ps: with ps; [ paho-mqtt ]);
      in ''
        cd ${<mqtt>}
        ${myPython}/bin/python fyrtur.py
      '';
  };
}