docker新增静态资源目录和服务配置

Change-Id: Id0de4c440b418598bb98d8eeb4bd4030561c8485
diff --git a/Dockerfile b/Dockerfile
index 5b49f05..7dc1c9c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,9 @@
 # 设置工作目录
 WORKDIR /app
 
+# 创建上传目录
+RUN mkdir -p /app/uploads
+
 # 暴露端口
 EXPOSE 5011