{
  # let's write `resultYAML` to an arbitrary file under `/etc`
  environment.etc."kubenix.yaml".source =
  (kubenix.evalModules.x86_64-linux {
    module = { kubenix, ... }: {
      imports = [ kubenix.modules.k8s ];
      kubernetes.resources.pods.example.spec.containers.example.image = "nginx";
    };
  }).config.kubernetes.resultYAML;

  # now we can link our file into the appropriate directory
  # and k3s will handle the rest
  system.activationScripts.kubenix.text = ''
    ln -sf /etc/kubenix.yaml /var/lib/rancher/k3s/server/manifests/kubenix.yaml
  '';
}