how to link docker compose prod and world

source/user_guide/run_with_compose.rst

@@ -72,4 +72,10 @@ more info can be found at https://docs.docker.com/reference/cli/docker/login/#pa
 Administrate your container
 *************************************************
 
-Information on how to manage the containers can be found at :ref:`admin_container`
+Information on how to manage the containers can be found at :ref:`admin_container`
\ No newline at end of file
+
+How to open it to the world
+*************************************************
+
+Your application is now hosted in a VM, exposed on port 3838 only in http. 
+The rest of the configuration for routing network traffic arriving at https://my-app.my-institut.fr onto your app is up to the system administrators of your organization. Providing them the docker-compose.yaml file, and a link to this page will help them finalizing the configuration.