{
  services.kubernetes = {
    roles = ["node"]; # Only "node", not "master"

    masterAddress = "192.168.1.100"; # Your master's IP

    # Enable required components for a worker
    kubelet.enable = true;
    proxy.enable = true;
    flannel.enable = true; # Or whatever CNI you're using

    # Use the same certificate setup
    easyCerts = true;
    pki.enable = true;

    # Kubelet configuration
    kubelet = {
      kubeconfig.server = "https://192.168.1.100:6443";
      hostname = "worker-gpu1"; # Or use the actual hostname
      extraOpts = "--fail-swap-on=false"; # If you have swap enabled
    };
  };

  # Container runtime
  virtualisation.containerd.enable = true;

  # Open required ports
  networking.firewall.allowedTCPPorts = [
    10250 # Kubelet API
  ];

  # Ensure hostname is set properly
  networking.hostName = "worker-gpu1"; # Or your preferred name
}