apiVersion: v1
kind: Service
metadata:
  name: echoserver-service
  namespace: default
spec:
  ports:
  - name: echoserver-port
    port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: echoserver-deployment
  type: ClusterIP
---
apiVersion: apps/v1
kind: Ingress
metadata:
  annotations:
    ingress.bluemix.net/proxy-read-timeout: serviceName=echoserver-service timeout=300s
  name: echoserver-via-ingress
  namespace: default
spec:
  rules:
  - host: echoserver.arpad-ipvs-test-aug14.us-south.containers.appdomain.cloud  # Change it to your cluster's ALB host name
    http:
      paths:
      - backend:
          serviceName: echoserver-service
          servicePort: 80
        path: /
  tls:
  - hosts:
    - echoserver.arpad-ipvs-test-aug14.us-south.containers.appdomain.cloud    # Change it to your cluster's ALB host name
    secretName: arpad-ipvs-test-aug14                                         # Change it to your cluster's secret (it is in default namespace)
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: echoserver-deployment
  namespace: default
  labels:
    app: echoserver-deployment
spec:
  replicas: 20   # start 20 replicas and spread the application out across the worker nodes (also across the region)
  selector:
    matchLabels:
      app: echoserver-deployment
  template:
    metadata:
      labels:
        app: echoserver-deployment
    spec:
      affinity:
        podAntiAffinity:      #  Spread out the "echoserver-deployment" pods on the worker nodes as evenly as possible
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: app
                  operator: In
                  values:
                  - echoserver-deployment    # if a pod matching app=echoserver-deployment already runs on a node, try to find another node
              topologyKey: kubernetes.io/hostname
      containers:
        - name: echoserver
          image: k8s.gcr.io/echoserver:1.10
          env:
            - name: HOSTNAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
      restartPolicy: Always