For those of you that still prefer a GUI to quickly toggle the VM, there is a simple app for that too: https://news.ycombinator.com/item?id=28412548
Migrating from Docker to Podman
11–20 of 111 posts
Re: Migrating from Docker to Podman
#12Ive been using Podman for a while for my non-Kubernetes cloud deployments (i.e. small VM based things). It's worked very well for me after a few initial hiccups a year or so ago. Now that Podman-compose[0] is in the works, it'll really be comparable in the UX space soon, and outperforms Docker in several ways when it comes to security. The key difference with Podman compared to Docker is that is does not run a deamon…
Docker has a rootless mode in the same way that podman has a rootless mode.
Although true, podman did have this feature first, and it's still experimental and unsupported in docker. Docker provides scripts to attempt the setup automatically if you're on a Debian or Red Hat based system, but if you're using something else, you're on your own, and it's complicated and error prone to do, mostly because configuring the daemon and socket to work without root is way more complex than just adding in UID/GID mapping and installing slirp4netns, which is all you need to do to get rootless podman working. It's even easier now that overlayfs works without root without needing fuse-overlayfs, but you're kind of aced out of luck on the docker side with them only supporting Red Hat and Debian, since I don't think any of those get the latest kernels like you'd get with Arch or something you just customize yourself, other than maybe Fedora Stream?
Re: Migrating from Docker to Podman
#13Lima[0] also looks like a promising replacement on macOS. It manages provisioning a VM with nerdctl[1] installed, networking, and shared storage. The project has a support path for ARM Macs with a patch QEMU.
[0]: https://github.com/lima-vm/lima [1]: https://github.com/containerd/nerdctl
Re: Migrating from Docker to Podman
#14Nobody cares about podman.
Re: Migrating from Docker to Podman
#15I have really enjoyed using Podman and will keep using it. I have found it be to stable (running on CentOS) for our production stuff.
Shameless plug: We built Simplenetes[1] around Podman (a simpler alternative to Kubernetes, but written in 100% shell script :)
Re: Migrating from Docker to Podman
#16Ive been using Podman for a while for my non-Kubernetes cloud deployments (i.e. small VM based things). It's worked very well for me after a few initial hiccups a year or so ago. Now that Podman-compose[0] is in the works, it'll really be comparable in the UX space soon, and outperforms Docker in several ways when it comes to security. The key difference with Podman compared to Docker is that is does not run a deamon…
Is that a new podman-compose? I've been using a script from somewhere else, but it drives me nuts since ctrl-c doesn't stop the containers, just the script. Gonna give this one a try; thanks!
Re: Migrating from Docker to Podman
#17The main thing I'm missing with podman is gVisor support https://github.com/google/gvisor/issues/311 . Would be happy to switch once that is available!
Re: Migrating from Docker to Podman
#18Ive been using Podman for a while for my non-Kubernetes cloud deployments (i.e. small VM based things). It's worked very well for me after a few initial hiccups a year or so ago. Now that Podman-compose[0] is in the works, it'll really be comparable in the UX space soon, and outperforms Docker in several ways when it comes to security. The key difference with Podman compared to Docker is that is does not run a deamon…
podman-compose is an unofficial project which converts the compose file into podman cli commands.
Podman now supports the docker API which means you can use docker's own docker-compose with podman.
Re: Migrating from Docker to Podman
#19Ive been using Podman for a while for my non-Kubernetes cloud deployments (i.e. small VM based things). It's worked very well for me after a few initial hiccups a year or so ago. Now that Podman-compose[0] is in the works, it'll really be comparable in the UX space soon, and outperforms Docker in several ways when it comes to security. The key difference with Podman compared to Docker is that is does not run a deamon…
Podman [supports][1] `docker-compose` now. Just set `DOCKER_HOST` to the path of your Podman socket after activating the service, and it should just work (unless you use Swarm, which is not supported).
Re: Migrating from Docker to Podman
#20Still for reproducibility, it's best to build container images with Nix: https://nix.dev/tutorials/building-and-running-docker-images