private function saveConfiguration()
    {
        $this->info("Writing configuration file...");

        // Save in .env file
        $this->env->setEnv(
            [
            'APP_URL' => $this->APP_URL,
            'DB_CONNECTION' => $this->DB_TYPE,
            'DB_HOST' => $this->DB_HOST,
            'DB_PORT' => $this->DB_PORT,
            'DB_DATABASE' => $this->DB_DATABASE,
            'DB_USERNAME' => $this->DB_USERNAME,
            'DB_PASSWORD' => $this->DB_PASSWORD,
            ]
        );

        // save in runtime

        config(['app.url' => $this->APP_URL]);
        config(['app.name' => str_replace(' ', '_', $this->APP_NAME)]);
        config(['database.connections.mysql.driver' => $this->DB_TYPE]);
        config(['database.connections.mysql.host' => $this->DB_HOST]);
        config(['database.connections.mysql.port' => $this->DB_PORT]);
        config(['database.connections.mysql.database' => $this->DB_DATABASE]);
        config(['database.connections.mysql.username' => $this->DB_USERNAME]);
        config(['database.connections.mysql.password' => $this->DB_PASSWORD]);

        // save in app.config
        $content = File::get(config_path('app.php'));
        $newContent = str_replace(
            "'name' => '".config('app.name')."'",
            "'name' => '".$this->APP_NAME."'",
            $content
        );

        FILe::put(config_path('app.php'), $newContent);

        $this->advanceBar();

        $this->clearCaches();

        return $this;
    }