Run docker-compose in the traefik directory to make sure it also runs in the docker:dind context

Traefik.php

@@ -83,8 +83,10 @@ class Traefik {
         'driver' => 'bridge',
       ];
       file_put_contents($traefikFile, Yaml::dump($traefik, 9, 2));
-      exec('docker-compose -f ' . $traefikFile . ' --project-name traefik stop');
-      exec('docker-compose -f ' . $traefikFile . ' --project-name traefik up -d');
+      $cwd = getcwd();
+      chdir($traefikPath);
+      exec('docker-compose --project-name traefik up -d');
+      chdir($cwd);
     }
   }