geolook/app/Http/Middleware/HttpsProtocol.php

<?php

namespace App\Http\Middleware;

use Closure;

class HttpsProtocol {

    public function handle($request, Closure $next)
    {
        if (@$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
            \URL::forceScheme('https');
        }

        return $next($request);
    }
}