deployment-3-autoscaling.yaml

apiVersion : apps/v1
kind: Deployment
metadata:
  name: my-web-deployment-autoscaling
  labels:
    app  : my-k8s-application
    env  : prod
    owner: Dima
spec:
#  replicas: 2   # Don't need this anymore as we are using HorizontalPodAutoscaler
  selector:
    matchLabels:
      project: 3
  template:
    metadata:
      labels:
        project: 3
    spec:
      containers:
        - name : 3-web
          image: boxerwba/k8s_lecture
          ports:
            - containerPort: 80

---
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  name: my-autoscaling
spec:
  scaleTargetRef:
    apiVersion: apps/v2beta1v1
    kind: Deployment
    name: my-web-deployment-autoscaling
  minReplicas: 2
  maxReplicas: 6
  metrics:
  - type: Resource
    resource:
      name: cpu
      targetAverageUtilization: 70
  - type: Resource
    resource:
      name: memory
      targetAverageUtilization: 80