{ config, pkgs, ... }:

{
  environment.systemPackages = with pkgs; [
    k3s
  ];

  environment.sessionVariables = {
    KUBECONFIG = "$HOME/.kube/config";
  };

  services.k3s = {
    enable = true;
    role = "agent";
    serverAddr = "https://192.168.1.89:6443";
    tokenFile = "/var/lib/rancher/k3s/agent/token";
  };

  services.openssh = {
    enable = true;
    settings = {
      PasswordAuthentication = false;
      PermitRootLogin = "no";
    };
  };

  networking.firewall = {
    allowedTCPPorts = [ 10250 22 ];
    allowedUDPPorts = [ 8472 ];
  };
}