Strav's blog

Docker docker.img issues

My docker.img file is filling up due to excessive logging from various apps

I have a Unifi Controller running in a Docker on one of my Unraid instances.  Here are some links to how to deploy SSL certificates to that container.

Installing SSL cert for controller running on docker
Steve Jenkins - Unifi Linux Utils

Docker high image disk utilization: Why is my Docker image/disk getting full
Docker FAQ
Issues with either Unraid or Docker...

This will clean up existing logs and lower image size dramatically:

truncate -s 0 /var/lib/docker/containers/*/*-json.log

The overall solution for logs is to limit the size.  Under advanced settings, add this line to extra parameters:

--log-opt max-size=50m --log-opt max-file=1