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---
slug: bookworm-and-podman
title: "Bookworm and Podman"
date: "2023-05-02T01:27:00-04:00"
---
I've spent the last couple days fiddling with [Debian Bookworm
RC2][bookworm] in a VM. No issues to report. It's shaping up to be
a great release.
I've been looking for a suitable [Docker][] replacement for a few years
because of [their repeated license shenanigans][license-shenanigans].
Last year I tried switching to [Podman][], but ran into into several
incompatibilities and minor annoyances.
[Podman 4.3][podman-4.3] ships with [Bookworm][] and seems to fix all
the issues I had before. [Rootless containers][], [multi-stage
builds][multi-stage], and all of my muscle-memory `docker` commands now
work as expected.
The only real differences I noticed are:
1. The command is `podman` instead of `docker`.
2. Image names are registry-prefixed. Example: `FROM docker.io/bash` instead of `FROM bash`.
3. Searches are registry-prefixed. Example: `podman search docker.io/pablotron`.
A couple of quick tests:
* [Sinatra web application (rootless)][sinatra-test]
* [Go web application (rootless, scratch, multi-stage build)][go-test]
[bookworm]: https://www.debian.org/releases/bookworm/
"Debian bookworm."
[debian]: https://debian.org/
"Debian Linux."
[docker]: https://www.docker.com/
"Docker container manager."
[podman]: https://podman.io/
"Podman container manager."
[podman-4.3]: https://podman.io/releases/2022/10/22/podman-release-v4.3.0.html
"Podman version 4.3."
[rootless containers]: https://developers.redhat.com/blog/2020/09/25/rootless-containers-with-podman-the-basics
"Rootless containers."
[multi-stage]: https://docs.docker.com/build/building/multi-stage/
"Multi-stage build."
[sinatra-test]: https://gist.github.com/pablotron/86cb0b355ac3e4cef3b28b3e0718314d
"Test Sinatra web application running in a Podman container."
[go-test]: https://gist.github.com/pablotron/03785b66cc9e90ebd5fdaef5642baa6d
"Test Go web application running in a Podman container."
[license-shenanigans]: https://blog.alexellis.io/docker-is-deleting-open-source-images/
"Docker is deleting Open Source organizations (updated)."
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