Pin MySQL version

Merge pull request #25 from heinemml/master

explicitly select docker:fpm image

Removes smtp conf, it can be configured from piwik conf

upgrade to compose v2

consistency

gives some :heart:

use VIRTUAL_HOST

mv scripts to their own folder

Merge pull request #9 from stefancrain/master

removing typo in README

Avoid locking tables during mysql dump

Adds a better cron mechanism

fix env variable

Moves compose here