How to link docker images to their composing layers on the disk?

Question

Since Docker v1.10, with the introduction of the content addressable storage, Docker has completely changed the way image data are handled on the disk. I understand that now lay

Answer 1

If this is a vfs this can be done with this one-liner:

ls -l /var/lib/docker/vfs/dir/$(cat $(grep $LAYER /var/lib/docker/image/vfs/layerdb/sha256/ -rl | sed s/diff/cache-id/g ))

where $LAYER is the sha256 that you get out of docker inspect IMAGE_ID