Try to install a minor version of PHP (for e.g. 8.0) as migrating from 7.4 to 8.4 you most probably would come up with code deprecated functions and features. https://www.php.net/releases/8.4/en.php

Maybe you can try with this Wordpress repositorywith PHP 8.3: https://github.com/pabloripoll/docker-wordpress-6.4-php-8