register改注释

renren-register/src/main/resources/application-server1.yml

@@ -26,6 +26,7 @@ eureka:
   instance:
     # 本地的配置
     prefer-ip-address: false
+    # # 必须是域名，对应/etc/hosts的域名，页面上看注册到是内网的地址
     hostname: eureka-server1
     # http://ip:端口/actuator/health。UP状态表示处于可用状态。
     health-check-url: http://${eureka.instance.hostname}:${server.port}/actuator/health