guestbook/all-in-one/guestbook-all-in-one.yaml [61:96]:
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---
apiVersion: apps/v1 #  for k8s versions before 1.9.0 use apps/v1beta2  and before 1.8.0 use extensions/v1beta1
kind: Deployment
metadata:
  name: redis-replica
spec:
  selector:
    matchLabels:
      app: redis
      role: replica
      tier: backend
  replicas: 2
  template:
    metadata:
      labels:
        app: redis
        role: replica
        tier: backend
    spec:
      containers:
      - name: replica
        image: gcr.io/google_samples/gb-redisslave:v1
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        env:
        - name: GET_HOSTS_FROM
          value: dns
          # If your cluster config does not include a dns service, then to
          # instead access an environment variable to find the master
          # service's host, comment out the 'value: dns' line above, and
          # uncomment the line below:
          # value: env
        ports:
        - containerPort: 6379
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guestbook/all-in-one/redis-replica.yaml [16:51]:
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---
apiVersion: apps/v1 #  for k8s versions before 1.9.0 use apps/v1beta2  and before 1.8.0 use extensions/v1beta1
kind: Deployment
metadata:
  name: redis-replica
spec:
  selector:
    matchLabels:
      app: redis
      role: replica
      tier: backend
  replicas: 2
  template:
    metadata:
      labels:
        app: redis
        role: replica
        tier: backend
    spec:
      containers:
      - name: replica
        image: gcr.io/google_samples/gb-redisslave:v1
        resources:
          requests:
            cpu: 100m
            memory: 100Mi
        env:
        - name: GET_HOSTS_FROM
          value: dns
          # If your cluster config does not include a dns service, then to
          # instead access an environment variable to find the master
          # service's host, comment out the 'value: dns' line above, and
          # uncomment the line below:
          # value: env
        ports:
        - containerPort: 6379
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