I was really impressed by the full packed audience on my session at Drupalcon.
Pasting again here the links to the repos:
VAGRANT RECIPE:
https://github.com/ricardoamaro/drupal-lxc-vagrant-docker
DOCKER APPS:
https://github.com/ricardoamaro/docker-drupal
https://github.com/ricardoamaro/docker-drupal-nginx