updating tutorial to match source

content/en/examples/application/guestbook/frontend-deployment.yaml

@@ -1,32 +1,29 @@
+# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: frontend
-  labels:
-    app.kubernetes.io/name: guestbook
-    app.kubernetes.io/component: frontend
 spec:
+  replicas: 3
   selector:
     matchLabels:
-      app.kubernetes.io/name: guestbook
-      app.kubernetes.io/component: frontend
-  replicas: 3
+        app: guestbook
+        tier: frontend
   template:
     metadata:
       labels:
-        app.kubernetes.io/name: guestbook
-        app.kubernetes.io/component: frontend
+        app: guestbook
+        tier: frontend
     spec:
       containers:
-      - name: guestbook
-        image: paulczar/gb-frontend:v5
-        # image: gcr.io/google-samples/gb-frontend:v4
+      - name: php-redis
+        image: gcr.io/google_samples/gb-frontend:v5
+        env:
+        - name: GET_HOSTS_FROM
+          value: "dns"
         resources:
           requests:
             cpu: 100m
             memory: 100Mi
-        env:
-        - name: GET_HOSTS_FROM
-          value: dns
         ports:
-        - containerPort: 80
+        - containerPort: 80