Xdebug setup

To know your ip on linux :

 ifconfig docker0

If your one is not 172.17.0.1 then update in .env client_host

On PHPStorm, you just have to click on the button Start Listening for PHP Debug Connections on the Run menu.

Permission issues

You can replace your user to avoid permission issue in .env : LOCAL_USER

To know your user/group on linux :

 id