apiVersion: v1
kind: ReplicationController
metadata:
  name: frontend
  labels: 
    name: frontend
spec:
  replicas: 3
  selector:
    name: frontend
  template:
    metadata:
      name: frontend
      labels:
        name: frontend
    spec:
      containers:
      - name: frontend
        image: kubeguide/guestbook-php-frontend
        env:
        - name: GET_HOSTS_FROM
          value: env
        ports:
        - containerPort: 80