Remove the -app from container names, leave it on the service descriptor.

Config/LibreTranslate/docker-compose.example.yml

@@ -23,7 +23,7 @@ services:
 
   ## Main ##
   lt-app:
-    container_name: lt-app
+    container_name: lt
     build:
       context: ./
     image: hyperling/libretranslate:latest