k8s nginx demo

demo.yml

kind: Namespace
apiVersion: v1
metadata:
  name: demo
  labels:
    name: demo
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: demo
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      namespace: demo
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  name: demo
  namespace: demo
spec:
  selector:
    app.kubernetes.io/name: nginx
  ports:
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80