// Create Slim app
$app = new \Slim\App();

// Fetch DI Container
$container = $app->getContainer();

// Register FlySystem helper:
// Option 1, using FlysystemProvider
$container->register(new \Projek\Slim\FlysystemProvider);

// Option 2, using Closure
$container['fs'] = function ($c) {
    $fs = new \Projek\Slim\Flysystem([
        'local' => [
            'path' => 'path/to/your/resources',
        ]
    ]);

    return $fs;
};

// Define named route
$app->get('/hello/{name}', function ($request, $response, $args) {
    // Read a file.
    $this->fs->read('path/to/file');

    return $response;
});

// Run app
$app->run();

// ...