1. gateway 引入 nacos 依赖，实现服务的注册发现

2. gateway 引入 loadbalancer 依赖，实现服务的负载均衡

yudao-gateway/src/main/java/cn/iocoder/yudao/gateway/GatewayServerApplication.java

@@ -0,0 +1,13 @@
+package cn.iocoder.yudao.gateway;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class GatewayServerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(GatewayServerApplication.class, args);
+    }
+
+}