api/setup/setups/02_auth.php

<?php
use Psr\Container\ContainerInterface as Container;

return [
  Incoviba\API\Common\Service\Auth::class => function(Container $c) {
    return new Incoviba\API\Common\Service\Auth($c->get('API_KEY'));
  },
  Incoviba\API\Common\Middleware\Auth::class => function(Container $c) {
    return new Incoviba\API\Common\Middleware\Auth(
      $c->get(Incoviba\API\Common\Service\Auth::class),
      $c->get(Slim\Psr7\Factory\ResponseFactory::class),
      ['/auth/generate']
    );
  }
];