添加邀请码注册机制

Change-Id: I1a104074a36564ffb332e928e131af182eb30240
diff --git a/Dockerfile b/Dockerfile
index b646295..abbe549 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,8 @@
 # 复制 JAR 文件到容器
 COPY target/*.jar team12.jar
 
+COPY nginx.conf /etc/nginx/conf.d/g12b.conf
+
 # 暴露端口(与 application.yml/server.port 一致)
 EXPOSE 8080