♻️: refactor allowlist

roles/nginx/templates/vhosts/web.garage.mateu.be.conf.j2

@@ -2,13 +2,13 @@ server {
 {% include './templates/header.conf.j2' %}
 
 	location / {
-		proxy_pass http://web_backend_{{ item.split('.')|join('_') }};
+		proxy_pass http://web_backend_{{ item.host.split('.')|join('_') }};
 		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 		proxy_set_header Host $host;
 	}
 }
 
-upstream web_backend_{{ item.split('.')|join('_') }} {
+upstream web_backend_{{ item.host.split('.')|join('_') }} {
 	# If you have a garage instance locally.
 	server [::1]:3902;
 }