add some documentation about multiple domains

Obada Haddad · Obada Haddad · commit d87143a880fd · 2026-03-11T15:32:14.000+01:00
diff --git a/documentation/docs/Developers_and_Administrators/How-to-deploy-Codabench-on-your-server.md b/documentation/docs/Developers_and_Administrators/How-to-deploy-Codabench-on-your-server.md
@@ -439,4 +439,7 @@ Caddyfile :
       path /{$AWS_STORAGE_BUCKET_NAME}* /{$AWS_STORAGE_PRIVATE_BUCKET_NAME}*
     }
     reverse_proxy @min_bucket minio:{$MINIO_PORT}
-```
+```
+
+## Codabench Instance behind a reverse proxy
+If you put your instance behind a reverse proxy and want that proxy to contact the instance via http or https, your `DOMAIN_NAME` might not be reachable from the outside. In this case, you can set `DOMAIN_NAME` as your internal domain name, used by the reverse proxy, and `EXTERNAL_DOMAIN_NAME` as the domain name that is known on external networks (like the internet).

Original file line number	Diff line number	Diff line change
`@@ -439,4 +439,7 @@ Caddyfile :`
`439`	`439`	`path /{$AWS_STORAGE_BUCKET_NAME}* /{$AWS_STORAGE_PRIVATE_BUCKET_NAME}*`
`440`	`440`	`}`
`441`	`441`	`reverse_proxy @min_bucket minio:{$MINIO_PORT}`
`442`		-```
	`442`	+```
	`443`	`+`
	`444`	`+## Codabench Instance behind a reverse proxy`
	`445`	+If you put your instance behind a reverse proxy and want that proxy to contact the instance via http or https, your `DOMAIN_NAME` might not be reachable from the outside. In this case, you can set `DOMAIN_NAME` as your internal domain name, used by the reverse proxy, and `EXTERNAL_DOMAIN_NAME` as the domain name that is known on external networks (like the internet).