7.Eureka注册中心

将user-service服务注册到eureka

将order-service服务注册到eureka

eureka:
  client:
    service-url:
      defaultZone: http://localhost:10086/eureka/

<dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>