otherwise on startup you'll get an internal 500 error, with /tmp/logs showing:
2019-07-08 11:21:02 Error: [MissingConnectionException] Database connection "Mysql" is missing, or could not be created.
Exception Attributes: array (
'class' => 'Mysql',
'message' => 'Selected driver is not enabled',
'enabled' => false,
)
Adding
apt-get install -u php-mysql
otherwise on startup you'll get an internal 500 error, with /tmp/logs showing: