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Podman is a daemon-less alternative to Docker, but with Rootless containers, grouping containers in pods, and systemd integration. What do you think of it? (lemmy.ml)
submitted 1 year ago by cyclohexane@lemmy.ml to c/programming@programming.dev
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Podman is a lot like Docker: a tool for running OCI containers. While it maintains backwards compatibility with Dockerfile and docker-compose syntax, it offers a lot of other benefits:

  • daemonless: it can run containers without a daemon process running in the background.
  • Rootless: can run containers without root privileges
  • pods: can group containers into secluded pods, which share resources and network namespace

Podman has other features I haven't explored yet, like compatibility with Kubernetes yaml file, and being able to run containers as systemd units.

Have you used podman before? What are your thoughts on it?

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[-] jlh@lemmy.jlh.name 2 points 1 year ago

Have you looked into kaniko?

[-] 0x442e472e@feddit.de 1 points 1 year ago

Yes but imo it's easier and nicer to integrate Podman into an existing build, for example with maven

[-] killabeezio@lemm.ee 1 points 1 year ago

You typically don't use podman to build images and you would instead use something like buildah.

[-] 0x442e472e@feddit.de 1 points 1 year ago

Doesn't podman use buildah under the hood?

[-] killabeezio@lemm.ee 2 points 1 year ago

Somewhat, but just a few pieces of it. Podman build is mainly a way to be backwards compatible with the docker cli. Buildah has some more flexibility and the way it builds the images are slightly different. You can use podman to build, but it's probably better to move to buildah for the build step as time permits.

this post was submitted on 07 Sep 2023
139 points (100.0% liked)

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