change proxy_pass to netlify

docker/nginx.conf

@@ -14,7 +14,7 @@ server {
         try_files $uri $uri/ /index.html;
     }
     location /api {
-        proxy_pass https://preview.pro.ant.design;
+        proxy_pass https://ant-design-pro.netlify.com;
         proxy_set_header   X-Forwarded-Proto $scheme;
         proxy_set_header   X-Real-IP         $remote_addr;
     }