{ self, flake-utils, kubenix, nixhelm, ... }: flake-utils.lib.eachDefaultSystem
  (system: {
    kubenix = kubenix.packages.${system}.default.override {
      specialArgs.flake = self;

      module = { kubenix, ... }: {
        imports = [
          kubenix.modules.k8s
          kubenix.modules.helm
          ./freshrss.nix
          ./cyberchef.nix
          ./kms.nix
          ./inbucket.nix
          ./radicale.nix
          ./syncthing.nix
          ./nextcloud.nix
          ./pihole.nix
        ];
        kubernetes.kubeconfig = "~/.kube/config";
        kubenix.project = "home";

        kubernetes = {
          customTypes = {
            # HACK: These are dummy custom types.
            # This is needed, because the CRDs imported as a chart are not available as Nix modules.
            # There is no nix-based validation on resources defined using these types!
            # See: https://github.com/hall/kubenix/issues/34
            ipAddressPool = {
              attrName = "ipAddressPools";
              group = "metallb.io";
              version = "v1beta1";
              kind = "IPAddressPool";
            };

            l2Advertisement = {
              attrName = "l2Advertisements";
              group = "metallb.io";
              version = "v1beta1";
              kind = "L2Advertisement";
            };

            helmChartConfig = {
              attrName = "helmChartConfigs";
              group = "helm.cattle.io";
              version = "v1";
              kind = "HelmChartConfig";
            };
          };

          resources = {
            ipAddressPools.main.spec.addresses = [ "192.168.30.128-192.168.30.200" ];
            l2Advertisements.main.metadata = { };

            # Override Traefik's service with a static load balancer IP.
            helmChartConfigs.traefik = {
              metadata.namespace = "kube-system";

              spec.valuesContent = ''
                service:
                  spec:
                    loadBalancerIP: "192.168.30.128"
              '';
            };
          };

          helm.releases.metallb = {
            chart = nixhelm.chartsDerivations.${system}.metallb.metallb;
            includeCRDs = true;
          };
        };
      };
    };
  })