SENSITIVE DATA HAS BEEN REMOVED FROM THIS TICKET ACCORDING TO JFROG'S INTERNAL POLICY.
This is a request to proactively retrieve Docker images' layers that have not requested by the Docker client. This is in order to have a complete image instead of partial caching only of requested images.
2 means to have marker files instead of layers:
a. Have a Docker image with some layers of a Docker image that have additional layers. Try to pull the "newer' image from Artifactory. See that you have marker files instead of layers.
1. Setup a remote docker repository to https://gcr.io
2. Pull an image from the GCR registry through artifactory, e.g.:
3. Observe a .marker file remains even though the image is pulled correctly (screenshot attached) - this is a very common layer that appears to be already in Docker's cache even without pulling any images: