DryDock is a utility, intended to be run as a cron job, to clean up old and unused docker images. This is useful on build servers and deployment nodes where image turnover can be high.
Usage
$ drydock --help
DryDock 0.0.1
usage: drydock [options]
Options:
--dry-run don't delete images
--age <48h> delete images older than age
--pattern <^.*$> pattern for images to be deleted
--docker <tcp://127.0.0.1:2375> docker host endpoint