kind: StatefulSet
apiVersion: apps/v1
metadata:
  labels:
    app: demo-service-eureka-cluster
  name: eureka
  namespace: default
spec:
  replicas: 3
  serviceName: eureka
  podManagementPolicy: "Parallel"
  selector:
    matchLabels:
      app: demo-service-eureka-cluster
  template:
    metadata:
      name: eureka
      labels:
        app: demo-service-eureka-cluster
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                      - demo-service-eureka-cluster
              topologyKey: "kubernetes.io/hostname"
      containers:
      - name: demo-service-eureka-cluster
        image: repository:5000/demo-service-eureka:<VERSION>
        imagePullPolicy: Always
        args: [--spring.profiles.active=cluster]
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: SERVICE_HOST
          value: ${POD_NAME}.eureka
        - name: REGISTRY_URL
          value: "http://eureka-0.eureka:9001/eureka,http://eureka-1.eureka:9001/eureka,http://eureka-2.eureka:9001/eureka"

---
kind: Service
apiVersion: v1
metadata:
  labels:
    app: demo-service-eureka-cluster
  name: eureka
  namespace: default
spec:
  ports:
  - name: http 
    port: 9001
  clusterIP: None
  selector:
    app: demo-service-eureka-cluster

---
kind: Service
apiVersion: v1
metadata:
  labels:
    app: demo-service-eureka-cluster
  name: demo-service-eureka-cluster
  namespace: default
spec:
  type: NodePort
  ports:
  - name: http
    port: 9001 
    targetPort: 9001
    nodePort: 32001
  selector:
    app: demo-service-eureka-cluster