{ makeSystem
, nixpkgs
}:
makeSystem {
  system = "x86_64-linux";
  name = "nixng-zigbee2mqtt";
  inherit nixpkgs;
  config =
    { pkgs, ... }:
    {
      config = {
        dumb-init = {
          enable = true;
          type.services = { };
        };

        init.services.zigbee2mqtt = {
          shutdownOnExit = true;
        };

        services.zigbee2mqtt = {
          enable = true;
          user = "root";
          envsubst = true;
          config = {
            homeassistant = true;
            permit_join = false;
            mqtt = {
              base_topic = "zigbee2mqtt";
              server = "mqtt://127.0.0.1:1883";
              user = "\${MQTT_USER}";
              password = "\${MQTT_PASSWORD}";
            };

            frontend = {
              port = 8456;
              host = "0.0.0.0";
            };

            advanced.pan_id = 15408;
            advanced.channel = 15;

            serial.port = "/dev/ttyUSB0";

            devices = "devices.yaml";
            groups = "groups.yaml";
            log_level = "debug";
          };
        };
      };
    };
}