apiVersion: apps/v1
kind: Deployment
metadata:
  name: app-rolling
spec:
  replicas: 5
  selector:
    matchLabels:
      name: app-rolling
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
  template:
    metadata:
      labels:
        name: app-rolling
    spec:
      containers:
      - name: app-rolling
        image: arungupta/app-upgrade:v1
        ports:
        - containerPort: 8080