Depends: init-system-helpers (>= 1.18~) but it is not installable
E: Unable to correct problems, you have held broken packages.
Working on debian wheezy…
I added backports to my apt repo “deb http://ftp.de.debian.org/debian wheezy-backports main” and performed a “apt-get update”. Afterwards, the apt-get install docker-engine completed fine.
Personally, I’m leaving backports commented out for now but in my conf as a reminder…