Joomla 5 CLI

j5cli.php

<?php

use \Joomla\CMS\Factory;

const _JEXEC = 1;
define( 'JDEBUG', false );
define( 'JPATH_BASE', dirname( dirname( __FILE__ ) ) );

require_once JPATH_BASE . '/includes/defines.php';
require_once JPATH_BASE . '/includes/framework.php';

// Boot the DI container
$container = Factory::getContainer();

$session_alias  = 'session.web';
$session_suffix = 'web.site';

// Alias the session service key to the web session service.
$container->alias( $session_alias, 'session.' . $session_suffix )
    ->alias( 'JSession', 'session.' . $session_suffix )
    ->alias( \Joomla\CMS\Session\Session::class, 'session.' . $session_suffix )
    ->alias( \Joomla\Session\Session::class, 'session.' . $session_suffix )
    ->alias( \Joomla\Session\SessionInterface::class, 'session.' . $session_suffix );

// Instantiate the application.
$app = $container->get( \Joomla\CMS\Application\SiteApplication::class);
// Set the application as global app
Factory::$application = $app;

// Setup database
$db = Factory::getContainer()->get( 'DatabaseDriver' );

/* your code comes here */