https://meta.discourse.org/t/docker-disk-usage-issue-c-sept-1-2017/69194/8
Docker disk usage issue c. Sept 1 2017 - #8 by jd2066 - Self-hosting - Discourse Meta
Feb 7, 2018 - If you do a fresh install, as I did recently for my sandbox, you may, despite all the improvements in the cleanup scripts and docker itself, still encounter...