エラーのためメモ
PHP Fatal error: Uncaught PDOException: could not find driver in /home/kudu/PhpstormProjects/project/index.php:1
Stack trace:
#0 /home/kudu/PhpstormProjects/project/index.php(3): PDO->__construct()
#1 {main}
thrown in /home/kudu/PhpstormProjects/project/index.php on line 1
php-mysqlをインストール
sudo apt install -y php-mysql