rocky/precise repository overview

$ sudo debootstrap precise precise > /dev/null

$ sudo tar -C precise -c . | docker import - rocky/precise

$ sudo docker run rocky/precise cat /etc/lsb-release

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"

$ docker push rocky/precise