服务名称                      实例                            端口      描述**

eureka-server               eureka-server1                  8000     eureka集群、登录
                            eureka-server2                  8001
                    
product-service             product-service                 8002     openfeign、restTemeplate、loadbalance
                    
order-service               order-service1                  8003     
                            order-service2                  8004
        
gateway-server              gateway-server                  9000     gateway

gateway-server-sentinel     gateway-server-sentinel         9001     gateway-sentinel