dotcloud/docker — pull request #7064 by tianon (2014-07-16 20:59:20+00:00)
Title: Add "Acquire::GzipIndexes" to contrib/mkimage/debootstrap

This results in a dramatic improvement in the size of individual "apt-get update" layers (on a clean wheezy base, from "29.88 MB" down to "8.273 MB").

Fixes #5639