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Red Hat to contribute container tech (Podman, bootc, ComposeFS...) to CNCF

(www.redhat.com)
272 points twelvenmonkeys | 1 comments | 14 Nov 24 17:59 UTC | HN request time: 0.209s | source
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kuratkull ◴[14 Nov 24 19:28 UTC] No.42140145[source]▶
Podman actually works really well. Out-of-the-box virtually-no-configuration-needed rootless containers. It's also usable via docker-compose with a single env variable. (podman-compose wasn't up to par for us)

We've been using it for a couple of years running and managing hundreds of containers per server - no feeling of flakiness whatsoever. It's virtually zeroconf and even supports GPUs for those who need it. It's like docker but better, IMO.

Hope it gets a popularity boost from CNCF. Rooting for it.

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zamalek ◴[14 Nov 24 21:02 UTC] No.42141174[source]▶
I vastly prefer it to Docker, especially buildah over buildx. Instead of inventing yet-another-dsl buildah allows you to simply use shell scripts (though it does also support dockerfiles). Another thing buildah is really good at is not doing much automatically: you can really optimize layers if you care to.

The Podman ecosystem has given me a strong disliking of the Docker ecosystem, so I'm also rooting for it.

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1. ryan29 ◴[15 Nov 24 00:47 UTC] No.42142929[source]▶
I think I might be the only one that prefers Docker for building Docker containers using CI.

I use Drone, but instead of using the Docker plugin I start a detached (background) Caddy server to work as a proxy to DOCKER_HOST. That lets me proxy to the local Docker socket to take advantage of caching, etc. while I'm iterating, but gives the option of spinning up docker-in-docker to get a clean environment, without any caching, and running a slower build that virtually identical to what happens on the CI server.

I find that having the daemon available solves a ton of issues that most of the CI provided builder plugins have. For example, with the builder plugins I'd always end up with a step like build-and-tag-and-push which didn't work very well for me. Now I can run discreet build steps like build, test, tag, push and it feels far more intuitive, at least to me.