frontend-deployment.yaml

# SOURCE: https://cloud.google.com/kubernetes-engine/docs/tutorials/guestbook
apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
        app: guestbook
        tier: frontend
  template:
    metadata:
      labels:
        app: guestbook
        tier: frontend
    spec:
      containers:
      - name: php-redis
        image: gcr.io/google_samples/gb-frontend:v5
        env:
        - name: GET_HOSTS_FROM
          value: "dns"
        - name: REDIS_LEADER_ADDR
          value: redis-leader.redis:6379
        - name: REDIS_FOLLOWER_ADDR
          value: redis-follower.redis.svc.cluster.local:6379
        - name: REDIS_FOLLOWER_BAD_ADDR
          value: redis-follower:5378  # This should not work because the redis-follower service lives in another namespace
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 80