apiVersion: apps/v1
kind: Deployment
metadata:
  name: web 
spec:
  replicas: 3
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 0
      maxSurge: 100%
  selector: 
    matchLabels:
      app: web 
  template:
    metadata:
      name: web
      labels:
        app: web
    spec:
      containers:
      - name: web
        image: zoolgle/web:2.0
        readinessProbe:
          httpGet:
            path: /index.html
            port: 8000
        livenessProbe:
          tcpSocket: 
            port: 8000
        volumeMounts:
        - name: web-app-volume
          mountPath: /app
      initContainers:
      - name: webinit
        image: busybox:1.31.0
        command: ['sh', '-c', 'wget -O- https://tinyurl.com/otus-k8s-intro | sh']
        volumeMounts:
        - name: web-app-volume
          mountPath: /app
      volumes:
      - name: web-app-volume
        emptyDir: {}
