vpn.keks.cloud/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Services\WGRest;
use GuzzleHttp\Client;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        $this->app->singleton(WGRest::class, function ($app) {
            $client = new Client(["base_uri"=>"http://home.kekskurse.de:8000/"]);

            $wgrest = new WGRest($client, "secret");
            return $wgrest;
        });
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {

    }
}