Added docker and Kind to learn k8s

configuration.nix

@@ -196,7 +196,7 @@
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.payas = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" "adbusers"]; # Enable ‘sudo’ for the user.
+    extraGroups = [ "wheel" "networkmanager" "adbusers" "docker" ]; # Enable ‘sudo’ for the user.
  #   uuid = 1000; # match Ubuntu's default uuid
     home = "/home/payas";
     description = "Payas Relekar";
@@ -317,6 +317,11 @@
       acpid
       acpilight
       lsof
+
+#       Ops
+      docker
+      docker-compose
+      kind # k8s clusters in docker containers
     ];
   };