apiVersion: v1
kind: Service
metadata:
  name: agent-api
  labels:
    app.kubernetes.io/name: agent-api
spec:
  type: ClusterIP
  selector:
    app.kubernetes.io/name: agent-api    # 必须和 Pod 的标签一致，否则 Service 没有后端
  ports:
    - name: http
      port: 80
      targetPort: http