update apiversion

Signed-off-by: yeya24 <yb532204897@gmail.com>

examples/example-app/example-app.yaml

@@ -14,12 +14,16 @@ spec:
     port: 8080
     targetPort: web
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: example-app
   namespace: default
 spec:
+  selector:
+    matchLabels:
+      app: example-app
+      version: 1.1.3
   replicas: 4
   template:
     metadata:

experimental/metrics-server/metrics-server-cluster-role.yaml

@@ -14,6 +14,14 @@ rules:
   - get
   - list
   - watch
+- apiGroups:
+  - "apps"
+  resources:
+  - deployments
+  verbs:
+  - get
+  - list
+  - watch
 - apiGroups:
   - "extensions"
   resources:

experimental/metrics-server/metrics-server-deployment.yaml

-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: metrics-server