Fix

conf/nginx.conf

@@ -2,13 +2,24 @@
 location __PATH__/ {
 
   # Path to source
-  alias __FINALPATH__/ ;
+  alias __FINALPATH__/;
+
+  index   index.html;
 
   # Force usage of https
   if ($scheme = http) {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
+  location ~ ^__PATH__/http-bind/ {
+            proxy_pass http://__DOMAIN__;
+        }
+
+  location ~ .(ttf|ttc|otf|eot|woff|woff2|font.css|css|js)$ {
+            add_header Access-Control-Allow-Origin "*"; # Decide here whether you want to allow all or only a particular domain
+            root   __FINALPATH__/;  # Properly set the path here
+        }
+
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }

scripts/install

@@ -59,6 +59,8 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, the source from sources folder
 mkdir -p $final_path && cp -a ../sources/* $final_path
 
+ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="$final_path/index.html"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================

sources/index.html

@@ -49,7 +49,7 @@
         authentication: 'login',
         auto_away: 300,
         auto_reconnect: true,
-        bosh_service_url: 'https://conversejs.org/http-bind/', // Please use this connection manager only for testing purposes
+        bosh_service_url: 'https://__DOMAIN__/http-bind/',
         message_archiving: 'always',
         view_mode: 'fullscreen'
     });