02-hello-app-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: hello
spec:
  replicas: 3
  selector:
    matchLabels:
      role: hello
  template:
    metadata:
      labels:
        role: hello
    spec:
      containers:
      - name: hello
        image: gcr.io/google-samples/hello-app:1.0
        imagePullPolicy: IfNotPresent        
        ports:
        - containerPort: 8080
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "password"
        resources:
          requests:
            memory: "64Mi"
            cpu: "200m"
          limits:
            memory: "128Mi"
            cpu: "500m"