demo24.yaml

apiVersion: v1
kind: Service
metadata:
  name: php-apache
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 80
  selector:
    run: php-apache
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    run: php-apache
  name: php-apache
spec:
  replicas: 1
  selector:
    matchLabels:
      run: php-apache
  template:
    metadata:
      labels:
        run: php-apache
    spec:
      containers:
      - image: k8s.gcr.io/hpa-example
        name: php-apache
        ports:
        - containerPort: 80
        resources:
          requests:
            cpu: 200m
---
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  name: php-apache
spec:
  maxReplicas: 10
  minReplicas: 1
  scaleTargetRef:
    apiVersion: extensions/v1beta1
    kind: Deployment
    name: php-apache
  targetCPUUtilizationPercentage: 50