apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: demo
  name: demo
spec:
  replicas: 3
  selector:
    matchLabels:
      app: demo
  strategy:
    type: RollingUpdate
  template:
    metadata:
      labels:
        app: demo
    spec:
      containers:
      - image: nginxdemos/hello
        name: hello
        resources:
          requests:
            memory: "64Mi"
            cpu: "50m"
          limits:
            memory: "128Mi"