diff --git a/pages/mydoc/mydoc_about.md b/pages/mydoc/mydoc_about.md
index ac1efef..d467b31 100644
--- a/pages/mydoc/mydoc_about.md
+++ b/pages/mydoc/mydoc_about.md
@@ -229,4 +229,17 @@ zip -r /home/backups_dispensa/volumes-db_$(date +%Y%m%d%H%M)_5.zip var_db
 
 finito! C'è da aggiornare la pagina di copertina del cloud.
 
+## NGNIX
+se si cambia i lcontainer di nginx ricordarsi di Open the nginx configuration file
+
+vi /etc/nginx/nginx.conf
+
+add or modify the following line inside http {…}
+
+client_max_body_size 20M;
+
+then reload nginx.
+
+[Fonte](https://websistent.com/fix-client-intended-to-send-too-large-body-nginx-error/)
+
 {% include links.html %}