flask-redis-lb-deploy.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    run: counter
  name: counter
spec:
  replicas: 3
  selector:
    matchLabels:
      run: counter
  template:
    metadata:
      labels:
        run: counter
    spec:
      containers:
      - image: wjloh91/flask-redis:1.3
        name: counter
        env:
        - name: REDIS_SERVICE
          value: "redis"
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        ports:
        - containerPort: 8000

---
apiVersion: v1
kind: Service
metadata:
  labels:
    run: counter
  name: counter-service
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 8000
  selector:
    run: counter
  type: LoadBalancer

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: redis-master
spec:
  replicas: 1
  selector:
     matchLabels:
       app: redis
       role: master
       tier: backend
  template:
    metadata:
      labels:
        app: redis
        role: master
        tier: backend
    spec:
      containers:
      - name: master
        image: redis  # or just image: redis
        ports:
        - containerPort: 6379

---
apiVersion: v1
kind: Service
metadata:
  name: redis
  labels:
    app: redis
    role: master
    tier: backend
spec:
  type: ClusterIP
  ports:
  - port: 6379
  selector:
    app: redis
    role: master
    tier: backend
---