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Autocleaning docker registry

№ 10098 В разделе Sysadmin от June 25th, 2019,
В подшивках: Docker

To remove old images (in my case images can’t be older 14 days) I used https://github.com/andrey-pohilko/registry-cli and included registry tools to collect garbage.

Make sure you run your registry with REGISTRY_STORAGE_DELETE_ENABLED=true

docker run -d -p 127.0.0.1:5000:5000 -e "REGISTRY_STORAGE_DELETE_ENABLED=true" --restart always \
  --name docker-images-registry \
  -v /srv/registry/data:/var/lib/registry \
  -v /srv/registry/users:/auth/htpasswd registry:2

Now you can delete images

docker run --rm --link docker-images-registry anoxis/registry-cli \
  -r http://docker-images-registry:5000 --delete --keep-by-hours 336 \
  --keep-tags-like latest --digest-method=GET

Ok, use garbage collector

docker stop docker-images-registry

docker run --rm -v /srv/registry/data:/var/lib/registry \
  -v /srv/registry/users:/auth/htpasswd registry:2 \
  bin/registry garbage-collect /etc/docker/registry/config.yml

docker start docker-images-registry

Well done! Take a donut from a shelf.

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