No way to persist data

[ahuffman]

There should be a VOLUME entry in the Dockerfile at /var/www/html so that you can install modules and persist data. Otherwise I'd have to re-build a custom container image to achieve what should be a default. Please take a look at what Wordpress and Joomla are doing with their Dockerfiles.

[tianon]

This is a duplicate of #3; please see the discussion over there for some of the challenges we've got for making this happen. 👍