The hidden cost of running a private docker registry backed by S3

Context S3 is fast and cheap. Apparently, I was wrong and this is what this blog post is about. After using S3 bucket as a Docker cache for my BuildKit instance, I wondered what else could be achieved. I then discovered about Adolfo&rsquo;s blog post and learned that a docker image is just a bunch of tarballs stored in some predefined locations. When we perform a docker pull , we send GET requests…