apiVersion: v1 kind: ReplicationController metadata: name: redis-slave labels: app: redis role: slave tier: backend spec: replicas: 2 template: metadata: labels: app: redis role: slave tier: backend spec: containers: - name: slave image: redis:latest 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