hpa.yaml
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apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: product-service-hpa
  namespace: ecommerce
  labels:
    app: product-service
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: product-service
  minReplicas: 1
  maxReplicas: 15
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 75
  - type: Resource
    resource:
      name: memory
      target:
        type: Utilization
        averageUtilization: 80
  - type: Pods
    pods:
      metric:
        name: http_requests
      target:
        type: AverageValue
        averageValue: "200"
  behavior:
    scaleDown:
      stabilizationWindowSeconds: 300
      policies:
      - type: Percent
        value: 50
        periodSeconds: 60
      - type: Pods
        value: 2
        periodSeconds: 60
    scaleUp:
      stabilizationWindowSeconds: 60
      policies:
      - type: Percent
        value: 100
        periodSeconds: 15
      - type: Pods
        value: 4
        periodSeconds: 15