Interested to explore Fly Kubernetes after being accepted into the closed beta.

The folks at Fly are innovative in their technology uses and, having been a long-time Kubernetes user, I was intrigued to learn that Fly.io has implemented Kubernetes atop Fly.

My first Deployment failed:

Authentication required to access image "ghcr.io/{image}"

It was confirmed to me that FKS does not support pulling from private registries. The solution is pull-tag-push images to registry.fly.io but, Fly’s repository is app-specific and so, you need to do some querying to grab the Fly app created by FKS (for your namespace):