Podman Alternatives

Reviews and mentions

• Pretend You're Using A Different Linux Distribution With One Docker Command
  dev.to | 2021-10-25

  This tip works with any tool that supports the Docker API, in addition to Docker itself. I'm running it via Podman, and it works the same way.

• Heads up, Podman 4.0 changes how "hostnetwork" is setup and therefore breaks a lot of intra-pod communication
  reddit.com/r/podman | 2021-10-19

  I believe this is the same underlying issue as this: https://github.com/containers/podman/issues/11835

  reddit.com/r/podman | 2021-10-19

  The issue you linked has nothing to with it. It is still open which means it is not yet implemented. I think you have this problem https://github.com/containers/podman/issues/12003

• Need to grow my setup - Docker standalone, Swarm or Kubernetes?
  reddit.com/r/selfhosted | 2021-10-13

  If you're interested in learning an alternative to Docker, I'd look into podman. Docker runs with a daemon process which manages all the containers under it, this leads to a few issues

• Replacing Docker with Podman on macOS
  news.ycombinator.com | 2021-10-12

  I don't see why you couldn't. One thing that I did not realize initially was that bind mounts do not work nicely out of the box on mac without mounting via sshfs. https://github.com/containers/podman/issues/8016

• Error: --userns and --pod cannot be set together
  reddit.com/r/podman | 2021-10-11
• You should use Buildpack instead Dockerfile and I'll tell you why
  dev.to | 2021-10-08

  Is not only for Docker: Buildpacks embrace thi OCI format, so feel free to use some Podman, Containerd or RunC;

• Which tool(s) should I use to deploy containers?
  reddit.com/r/docker | 2021-10-05
• First beta release of lol, an open-source alternative to the Snap Store/Server
  reddit.com/r/linux | 2021-10-04
• Docker Compose v2 released
  reddit.com/r/selfhosted | 2021-10-01

  It is already possible to do so since Podman 3.2.0

• `docker compose` (v2) vs `docker-compose` (v1) vs `podman-compose` - which one to choose?
  dev.to | 2021-09-30

  This one uses [https://podman.io/], which is probably only available in Linux (and macOS), and requires podman.service user unit; so, probably cannot be started in Windows' WSL.

• Kubernetes Podcast episode 164: Podman, with Daniel Walsh and Brent Baude
  reddit.com/r/kubernetes | 2021-09-29

  Red Hat maintains a full set of container tools and libraries, bringing their pedigree in security and operating system engineering. The most notable of those tools, Podman, has had a surge in popularity this month, after Docker announced changes in their subscription model. Daniel Walsh leads the Red Hat containers team, and Brent Baude is the architect and primary maintainer of Podman.

• Podman in Linux
  news.ycombinator.com | 2021-09-28

  > root-less nature of podman

  I see this repeated a lot, but it's not the default, its has to be explicitly configured: https://github.com/containers/podman/blob/v3.3.1/docs/tutori...

  And in addition to the known upsides, there are some lesser known downsides:

  1. There are feature limitations with it: https://github.com/containers/podman/blob/v3.3.1/rootless.md

  2. There are security implications, quoting Arch Wiki:

  > Warning: Rootless Podman relies on the unprivileged user namespace usage (CONFIG_USER_NS_UNPRIVILEGED) which has some serious security implications, see Security#Sandboxing applications for details.

  Also worth noting that Docker itself has a rootless mode as well by now: https://docs.docker.com/engine/security/rootless/

  I'm happy that there are Docker alternatives, but I have the feeling that podman has been hyped a lot recently and many articles and comments give the impression that it's more secure by default and without any downsides.

  news.ycombinator.com | 2021-09-28

  That does seem better! Of course, there are a few lingering issues with support, but overall the trend is good: https://github.com/containers/podman/issues?q=is%3Aissue+is%...

  Of course, there's no Swarm support, as evidenced by that very article:

  > Caveats

  > One known caveat is that Podman has not and will not implement the Swarm function. Therefore, if your Docker Compose instance uses Swarm, it will not work with Podman.

  Feels like people will either be pigeonholed into Kubernetes for all of their deployments, or will have to migrate over to something like Hashicorp Nomad: https://www.nomadproject.io/

  Curiously, it also supports Podman as a task driver: https://www.nomadproject.io/docs/drivers/podman

• Utilizing Docker CLI without Docker Desktop
  reddit.com/r/docker | 2021-09-21

  https://podman.io in rootless mode.