diff --git a/apps.nix b/apps.nix
index bffbacd..2593a9b 100644
--- a/apps.nix
+++ b/apps.nix
@@ -2,8 +2,29 @@
 
 let
   mkApp = {};
+  ETCD_ENDPOINTS = "https://[fd00:23:42:1000::1]:2379,https://[fd00:23:42:1000::2]:2379,https://[fd00:23:42:1000::3]:2379";
+  ETCD_ROOT_CRT = "/run/agenix/etcd-root-crt";
+  ETCD_CLIENT_CRT = "/run/agenix/etcd-client-crt";
+  ETCD_CLIENT_KEY = "/run/agenix/etcd-client-key";
 in
 {
-  
+  etcd-endpoint-health = {
+    type = "app";
+    program = "${pkgs.writeShellScript "etcd-health-check" ''
+      ssh fd00:23:42:1000::1 'etcdctl --endpoints=${ETCD_ENDPOINTS} --cacert=${ETCD_ROOT_CRT} --cert=${ETCD_CLIENT_CRT} --key=${ETCD_CLIENT_KEY} endpoint health'
+    ''}";
+  };
+  etcd-members = {
+    type = "app";
+    program = "${pkgs.writeShellScript "etcd-members" ''
+      ssh fd00:23:42:1000::1 'etcdctl --endpoints=${ETCD_ENDPOINTS} --cacert=${ETCD_ROOT_CRT} --cert=${ETCD_CLIENT_CRT} --key=${ETCD_CLIENT_KEY} member list'
+    ''}";
+  };
+  etcd-endpoint-status = {
+    type = "app";
+    program = "${pkgs.writeShellScript "etcd-status" ''
+      ssh fd00:23:42:1000::1 'etcdctl --endpoints=${ETCD_ENDPOINTS} --cacert=${ETCD_ROOT_CRT} --cert=${ETCD_CLIENT_CRT} --key=${ETCD_CLIENT_KEY} endpoint status --write-out=table'
+    ''}";
+  };
 }
 
diff --git a/flake.nix b/flake.nix
index 5e92a7b..a4fa854 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,8 +1,8 @@
 {
   description = "flake to deploy and manage cccb k8s cluster";
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
-    nixpkgs-k8s.url = "github:NixOS/nixpkgs/771c08bfa8c7da5ab251a1d0d56fb01948f45473"; # kubernetes 1.34.3
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-26.05";
+    nixpkgs-k8s.url = "github:NixOS/nixpkgs/b691719c74533048a7482453206ac13bf050e57d"; # kubernetes 1.36.3
     flake-utils.url = "github:numtide/flake-utils";
     agenix = {
       url = "github:ryantm/agenix";
@@ -38,7 +38,7 @@
       in
       {
         formatter = pkgs.nixfmt-tree;
-        #apps = (import ./apps.nix pkgs pkgs-k8s);
+        apps = (import ./apps.nix pkgs pkgs-k8s);
         devShells.default = pkgs.mkShell {
           packages = with pkgs; [
             agenix.packages.${system}.default
diff --git a/nixosConfigurations.nix b/nixosConfigurations.nix
index 2b1d4a2..f97fc63 100644
--- a/nixosConfigurations.nix
+++ b/nixosConfigurations.nix
@@ -46,7 +46,7 @@ let
     ++ extraModules);
 in
 {
-  "kaede" = nixpkgs.lib.nixosSystem {
+  "k8s" = nixpkgs.lib.nixosSystem {
     inherit system;
     modules = [
       NixVirt.nixosModules.default