Upload base64 image to S3

This is how I use Lumen upload to S3 and btw I am using League\Flysystem\Filesystem.

S3

use Aws\S3\S3Client;
use League\Flysystem\AwsS3v3\AwsS3Adapter;
use League\Flysystem\Filesystem;

class S3 {

    public static function boot() {

        $client = new S3Client([
            'credentials' => [
                'key'    => getenv('S3_KEY'),
                'secret' => getenv('S3_SECRET')
            ],
            'region' => getenv('S3_REGION'),
            'version' => 'latest',
        ]);

        $adapter = new AwsS3Adapter($client, getenv('S3_BUCKET'));
        $filesystem = new Filesystem($adapter);

        return $filesystem;

    }

}

The second argument must be encoded image string.

                $cloud = S3::boot();
                $cloud->put($photo->path, file_get_contents($this->file));
                $cloud->put($photo->thumbnail_path, (new Thumbnail)->minimize($this->file->getRealPath()));