HPA v2 Spec for Vote App

vote-hpa.yaml

apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: vote
spec:
  minReplicas: 2
  maxReplicas: 10
  metrics:
    - type: ContainerResource
      containerResource:
        name: cpu
        container: app  # change this as per actual container name
        target:
          type: Utilization
          averageUtilization: 50
  scaleTargetRef:
    apiVersion: apps/v1
    kind: ReplicaSet # change it to Deployment if have created a deployment already 
    name: vote
  behavior:
    scaleDown:
      policies:
      - type: Pods
        value: 2
        periodSeconds: 120
      - type: Percent
        value: 25
        periodSeconds: 120
      stabilizationWindowSeconds: 60
    scaleUp:
      stabilizationWindowSeconds: 45
      policies:
      - type: Percent
        value: 100
        periodSeconds: 15
      - type: Pods
        value: 2
        periodSeconds: 15
      selectPolicy: Max