k8s - test deployment, service and nginx ingress

helloworld-deployment-and-service.yml

---
apiVersion: apps/v1beta2
kind: Deployment
metadata:
  name: helloworld-deployment
spec:
  selector:
    matchLabels:
      app: helloworld
  replicas: 4
  template:
    metadata:
      labels:
        app: helloworld
    spec:
      containers:
      - name: helloworld
        image: shyam/helloworld:v1
        ports:
        - containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: helloworld-svc
spec:
  selector:
    app: helloworld
  ports:
    - name: http
      protocol: TCP
      port: 80
      targetPort: 8080

helloworld-nginx-ingress.yml

---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: helloworld-ingress
spec:
  rules:
  - host: test-helloworld-svc.testserver.de
    http:
      paths:
      - path: /
        backend:
          serviceName: helloworld-svc
          servicePort: 80