I tried
docker system prune -a
No luck…
Checked my log sizes
du -shc /var/lib/docker/containers/*/*.log
they were already fine since I use
logging:
options:
max-size: "10m"
max-file: "5"
then checked my overlay2 folders
du -shc /var/lib/docker/overlay2/*/diff
found 182G being used ! So I identified the major offenders:
du -s /var/lib/docker/overlay2/*/diff |sort -n -r
Top one had 167G for a single folder, ouch.
Then linked the overlay2 folder back to the container with
docker inspect $(docker container ls -q) |grep ‘FOLDERIDHERE’ -B 100 -A 100
Now that I have identified the container went and did a docker-compose down;docker-compose up on it.
Overlay2 folder was cleaned up and I am 167G richer!