kubernets 应用部署

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

https://kubernetes.io/docs/concepts/workloads/pods/

 https://kubernetes.io/docs/concepts/services-networking/service/

标签选择算符

https://kubernetes.io/zh/docs/concepts/overview/working-with-objects/labels/

https://www.redhat.com/archives/rhl-list/2004-May/msg07775.html