How upload laravel 5.1 project on server step by step [on hold]

i am upload laravel folder on root server , public file on public_html and routing in index.php set correctly

require __DIR__.'/../bootstrap/autoload.php'; 
$app = require_once __DIR__.'/../bootstrap/app.php';

but not work!error log is empty!! when enter domain nothing show is white page please description how upload laravel 5.1 project on server

via Chebli Mohamed