mcp/app/Commands/LetsEncryptAddCommand.php

<?php

namespace App\Commands;

use Illuminate\Console\Scheduling\Schedule;
use LaravelZero\Framework\Commands\Command;

/**
 *
 *
 *
 */
class LetsEncryptAddCommand extends Command
{
    /**
     * The signature of the command.
     *
     * @var string
     */
    protected $signature = 'lets-encrypt:add {domain*}';

    /**
     * The description of the command.
     *
     * @var string
     */
    protected $description = 'Get Certificates from LetsEncrypt';

    /**
     * Execute the console command.
     *
     * @return mixed
     *
     */
    public function handle()
    {
        $domains = $this->argument('domain');
        exec('certbot --nginx '.implode('-d ', $domains), $output);
    }
}