increased timeout for backend

src/rpm/conf/nginx.conf

@@ -68,7 +68,7 @@ http {
     proxy_send_timeout  90;
     proxy_read_timeout  90;
     proxy_buffers       32 4k;
-
+    fastcgi_read_timeout 300;
 
     # Error pages
     error_page          403          /error/403.html;