Since that the need to support Drupal 8 will jump soon, i wanted to share with you all a contribution i've been working on:
Drupal8 Container App Initiative for testing purposes
The app will run locally, will be self-contained and will give you a local IP that you can ssh and do your own breaking and testing. Like testing modules, configs... Drupal8's container is updated to the newest version every night.
This only requires 2 steps: