Laravel - Change Public Directory

app.php

<?php
// Replace Application instance with below
// Override public directory with custom application instance
$app = new \App\Abilities\App\Application(
    realpath(__DIR__.'/../')
);

application.php

<?php

namespace App\Abilities\App;

class Application extends \Illuminate\Foundation\Application
{
    public function publicPath()
    {
        return $this->basePath.DIRECTORY_SEPARATOR.'content';
    }
}

index.php

<?php

if ($uri !== '/' && file_exists(__DIR__.'/content'.$uri)) {
    return false;
}

require_once __DIR__.'/content/index.php';