use k3s instead

kubernetes/kubernetes.nix

@@ -1,30 +1,8 @@
-{ config, pkgs, ... }:
-let
-  kubeMasterIP = "10.105.6.198";
-  kubeMasterHostname = "api.kube";
-  kubeMasterAPIServerPort = 6443;
-in
 {
-  networking.extraHosts = "${kubeMasterIP} ${kubeMasterHostname}";
+  networking.firewall.allowedTCPPorts = [6443];
   
-  environment.systemPackages = with pkgs; [
-    kompose
-    kubectl
-    kubernetes
-  ];
-
-  services.kubernetes = {
-    roles = ["master" "node"];
-    masterAddress = kubeMasterHostname;
-    apiserverAddress = "https://${kubeMasterHostname}:${toString kubeMasterAPIServerPort}";
-    easyCerts = true;
-    apiserver = {
-      securePort = kubeMasterAPIServerPort;
-      advertiseAddress = kubeMasterIP;
-    };
-
-    addons.dns.enable = true;
-
-    kubelet.extraOpts = "--fail-swap-on=false";
+  services.k3s = {
+    enable = true;
+    role = "server";
   };
 }