add nginx origin

Change-Id: Ibccb6c84f419fdd7ecd88b2edfddb409341b017d
diff --git a/Dockerfile b/Dockerfile
index 99ba20b..5812330 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@
 RUN npm run build
 
 # 生产阶段
-FROM nginx:alpine
+FROM registry.cn-hangzhou.aliyuncs.com/library/nginx:alpine
 COPY --from=build /app/dist  /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf