enable redirects

docker-gen/nginx.tmpl

@@ -38,7 +38,7 @@ http {
     ssl_stapling_verify                        on;
 
     proxy_http_version                         1.1;
-    proxy_redirect                             off;
+    proxy_redirect                             default;
     proxy_buffering                            off;
     proxy_connect_timeout                      240;
     proxy_send_timeout                         240;