Service定义详解

YAML格式的Service定义文件的完整内容如下：

apiVersion: v1             // Required
kind: Service              // Required
metadata:                   // Required
  name: string             // Required
  namespace: string       // Required
  labels:
  - name: string
  annotations:
  - name: string
spec:                        // Required
  selector: []             // Required
  type: string             // Required
  clusterIP: string
  sessionAffinity: string
  ports:
  - name: string
    protocol: string
    port: int
    targetPort: int
    nodePort: int
  status:
    loadBalancer:
      ingress:
        ip: string
        hostname: string