Default Database service has been removed from PHP images

It seems that some time ago the images have been changed which lead to a breaking change. Previously the PHP language images have included MySQL as well but now this is gone.

Some examples:

Did I miss any anouncement or was this not planned at all?
Thanks for your services and support!


Your repository got migrated to our Xenial image since you aren’t specifying a dist: in your .travis.yml file and you now need to have services: [mysql] to start it. Sorry for the inconvenience.

See our blog post for the rationale behind the migration. Otherwise, you can also add dist: trusty in your .travis.yml file to route back your builds on our Trusty image.

Hope this helps!