docker wordpress 5.2 nginx php 7.3

Hi there, thanks for your support and community.

i’m, trying to build a image with nginx and php 7.3, my goal is to share the wordpress root and phpstorm can index all files. So i didn’t want to use the official image.

But i’m stuck with the install process

Call to undefined function mysql_connect() in /var/www/wp-includes/wp-db.php on line 1662

I have installed the mysqli, and defined:
define(‘WP_USE_EXT_MYSQL’, true);
disabled the pdo_mysql and it continues to trying use the deprecated method mysql_connect…

Some ideas?

kind regards