K8S 创建pod，service, deployment

• 编写 Nginx Pod 的 yaml

  apiVersion: v1
  kind: Pod
  metadata:
    name: my-nginx
  spec:
    containers:
    - image: nginx
      name: my-nginx
  

   
• 创建 Nginx Pod

  kubectl apply -f nginx.yaml  

• 查看 Pod 情况

  kubectl get po
  kubectl describ pod my-nginx
  

   
• 创建 NodePort 类型的 service

  apiVersion: v1
  kind: Service
  metadata:
    labels:
      app: nginx
    name: nginx-deployment
  spec:
    ports:
    - port: 80
      name: nginx-service80
      protocol: TCP
      targetPort: 80
      nodePort: 30001  
    selector:
      app: nginx
    type: NodePort 

  创建 Deployment

  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