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bootc-image-builder: Build your entire OS from a Containerfile

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Re: bootc-image-builder: Build your entire OS from a Containerfile

#2

Post by twelvenmonkeys »

We also have a GUI for trying this out!

https://github.com/podman-desktop/extension-bootc

We’re also starting to see other projects adopt a “OS as a Container image” such as Bazzite: https://bazzite.gg/ using bootc :)

Feel free to ask any questions!

Re: bootc-image-builder: Build your entire OS from a Containerfile

#5

Post by westurner »

Does bootc-image-builder build Native Containers?

Do Native Containers work as VM images that can be stored in an OCI Image/Artifact/Package Registry?

I've been mentioning Native Containers since I realized that was how bazzite works now.

Is vagrant necessary anymore if host, vm, and container images can all be signed and stored in an OCI Image store?

From https://news.ycombinator.com/item?id=44137501 re: Firecracker and Microsandbox VMs :

> ostree native containers are bootable host images that can also be built and signed with a SLSA provenance attestation; https://coreos.github.io/rpm-ostree/container/

ublue-os/image-template: https://github.com/ublue-os/image-template :

> Build your own custom Universal Blue Image

ublue-os/akmods has nvidia GPU drivers, nvidia-open, zfs: https://github.com/ublue-os/akmods :

> A caching layer for pre-built Fedora akmod RPMs

> OCI images providing a set of cached kernel RPMs and extra kernel modules to Universal Blue images. Used for better hardware support and consistent build process.

nvidia-container-toolkit (CDI) is necessary for --gpus=all to do CUDA and libEGL 3D with podman. Is this also already installed in bazzite?

ublue-os/toolboxes: "quadlets and systemd service units for management", boxkit : https://github.com/ublue-os/toolboxes#images

ublue-os/devcontainer .devcontainer/devcontainer.json: https://github.com/ublue-os/devcontainer/blob/main/src/base/...

It looks like the Just Justfile 40-nvidia.just has moved due to image topology simplification? https://news.ycombinator.com/item?id=39364975 :

> ublue-os/config//build/ublue-os-just/40-nvidia.just defines the `ujust configure-nvidia` and `ujust toggle-nvk` commands

Re: bootc-image-builder: Build your entire OS from a Containerfile

#8

Post by lotharcable »

westurner wrote: post #5

Does bootc-image-builder build Native Containers? Do Native Containers work as VM images that can be stored in an OCI Image/Artifact/Package Registry? I've been mentioning Native Containers since I realized that was how bazzite works now. Is vagrant necessary anymore if host, vm, and container images can all be signed and stored in an OCI Image store? From https://news.ycombinator.com/item?id=44137501 re: Firecracker…

What does "native containers" mean in this context?

Re: bootc-image-builder: Build your entire OS from a Containerfile

#9

Post by tayo42 »

yjftsjthsd-h wrote: post #4

> A container for deploying bootable container images. ...as long as the images are in the Red Hat family (Fedora, CentOS Stream, RHEL).

Is there something about this makes it red hat specific. An OS is just a specific collection of files in the end. Whether things are installed with rpm or Deb shouldn't matter?

Re: bootc-image-builder: Build your entire OS from a Containerfile

#10

Post by yjftsjthsd-h »

tayo42 wrote: post #9
yjftsjthsd-h wrote: post #4

> A container for deploying bootable container images. ...as long as the images are in the Red Hat family (Fedora, CentOS Stream, RHEL).

Is there something about this makes it red hat specific. An OS is just a specific collection of files in the end. Whether things are installed with rpm or Deb shouldn't matter?

You'd think so:) Unfortunately the current implementation hardcodes calls to dnf: https://github.com/osbuild/bootc-image-builder/issues/869
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