Hello World deployment + service for Kubernetes

hello.yml

---
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  name: hello-world
  labels:
    app: hello-world
spec:
  replicas: 4
  template:
    metadata:
      labels:
        app: hello-world
    spec:
      containers:
        - name: hello-app
          image: 'gcr.io/google-samples/hello-app:1.0'
          ports:
            - name: http
              containerPort: 8080
---
apiVersion: v1
kind: Service
metadata:
  name: hello-world
spec:
  ports:
    - name: http
      port: 80
      targetPort: http
  selector:
    app: hello-world