docker/l3d#107 Use docker compose instead of docker-compose

Traefik.php

@@ -118,7 +118,7 @@ class Traefik {
       file_put_contents($traefikFile, Yaml::dump($traefik, 9, 2));
       $cwd = getcwd();
       chdir($traefikPath);
-      exec('docker-compose --project-name traefik up -d');
+      exec('docker compose --project-name traefik up -d');
       chdir($cwd);
     }
   }