Show HN: Unregistry – "docker push" directly to servers without a registry https://bit.ly/3ZE07Gb

Show HN: Unregistry – "docker push" directly to servers without a registry I got tired of the push-to-registry/pull-from-registry dance every time I needed to deploy a Docker image. In certain cases, using a full-fledged external (or even local) registry is annoying overhead. And if you think about it, there's already a form of registry present on any of your Docker-enabled hosts — the Docker's own image storage. So I built Unregistry [1] that exposes Docker's (containerd) image storage through a standard registry API. It adds a `docker pussh` command that pushes images directly to remote Docker daemons over SSH. It transfers only the missing layers, making it fast and efficient. docker pussh myapp:latest user@server Under the hood, it starts a temporary unregistry container on the remote host, pushes to it through an SSH tunnel, and cleans up when done. I've built it as a byproduct while working on Uncloud [2], a tool for deploying containers across a network of Docker hosts, and figured it'd be useful as a standalone project. Would love to hear your thoughts and use cases! [1]: https://bit.ly/3SXwHz2 [2]: https://bit.ly/3DjeZBY https://bit.ly/3SXwHz2 June 19, 2025 at 12:17AM