apiVersion: apps/v1
kind: Deployment
metadata:
  name: echoserver
  labels:
    app: echoserver
spec:
  replicas: 5
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 0
      maxSurge: 1
  selector:
    matchLabels:
      app: echoserver
  template:
    metadata:
      labels:
        app: echoserver
    spec:
      containers:
      - name: echoserver
        image: cilium/echoserver:latest
        # imagePullPolicy: IfNotPresent
        ports:
        - containerPort: 8080
        env:
        - name: PORT
          value: '8080'
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        - name: POD_IP
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: NODE_NAME
          value: version1