composer/library/docker-traefik#9 Name containers explicitly

src/Handler.php

@@ -688,7 +688,7 @@ class Handler extends BaseHandler {
    */
   private function getDockerProxy(): string {
     foreach ($this->readNetworkConfig()['Containers'] as $container) {
-      if (isset($container['Name']) && in_array($container['Name'], ['traefik_traefik_1', 'traefik-traefik-1'])) {
+      if (isset($container['Name']) && in_array($container['Name'], ['traefik', 'traefik_traefik_1', 'traefik-traefik-1'])) {
         return explode('/', $container['IPv4Address'])[0];
       }
     }