remove the use of user in the docker-compose file

Author: bertho-zero

docker-compose.yml

@@ -3,9 +3,6 @@ services:
   app:
     build:
       context: .
-      args:
-        user: ${USER}
-    user: ${USER}
 
   nginx:
     image: nginx
@@ -26,4 +23,4 @@ services:
             | envsubst \"`printf '$${%s} ' $$(bash -c \"compgen -A variable\")`\" \
             | tee $${filename/\/home\/nginx/\/etc\/nginx};
         done;
-        nginx -g 'daemon off;'"
+        nginx -g 'daemon off;'"