kind: HorizontalPodAutoscaler
apiVersion: autoscaling/v2beta1
metadata:
  name: sample-app
spec:
  scaleTargetRef:
    # point the HPA at the sample application
    # you created above
    apiVersion: apps/v1
    kind: Deployment
    name: sample-app
  # autoscale between 1 and 10 replicas
  minReplicas: 1
  maxReplicas: 10
  metrics:
    # use a "Pods" metric, which takes the average of the
    # given metric across all pods controlled by the autoscaling target
    - type: Pods
      pods:
        # use the metric that you used above: pods/http_requests
        metricName: http_requests
        # target 500 milli-requests per second,
        # which is 1 request every two seconds
        targetAverageValue: 20m