debian-bootc-base-images/tier-0/bootc.yaml
Colin Walters 7361f26eeb Introduce a tier-0 image
This is basically just:

- kernel
- systemd
- selinux-policy-targeted
- bootc

Notably it doesn't have `rpm-ostree` or `rpm`, or many other things.
It also doesn't even have `linux-firmware`.

And no `openssh`!

It's almost certain that you need to derive from this, but
it should be a suitable starting point.

TODO: Add something like

```
$ dnf-system-bootstrap
Installing packaging tools from quay.io/fedora/fedora-boot-dnf@sha256:abcd...)
 # This would be basically all the packages not in tier-0 that
 # are enough to give `dnf install`
$ dnf install cowsay
 # Install critical stuff
$ dnf system-bootstrap remove
 # Remove everything that we added for the package system, that isn't
 # a dependency of what the user wants!
```

(In theory we could make this work with multi-stage builds, but
 it's a little hard)
2023-09-15 15:11:01 -04:00

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YAML

# A relatively minimal base, but we also do include linux-firmware so
# we can be directly booted on metal.
packages:
- systemd
# linux-firmware now a recommends so let's explicitly include it
# https://gitlab.com/cki-project/kernel-ark/-/commit/32271d0cd9bd52d386eb35497c4876a8f041f70b
# https://src.fedoraproject.org/rpms/kernel/c/f55c3e9ed8605ff28cb9a922efbab1055947e213?branch=rawhide
- linux-firmware
- ostree
# For now this will be shipped in rpm-ostree
# - bootc
# Required by bootc install today, though we'll likely switch bootc to use a Rust crate instead of sgdisk
- gdisk xfsprogs e2fsprogs dosfstools
exclude-packages:
# Exclude kernel-debug-core to make sure that it doesn't somehow get
# chosen as the package to satisfy the `kernel-core` dependency from
# the kernel package.
- kernel-debug-core
# rpm-ostree can be an alias for bootc, we want to enable that here.
postprocess:
- |
#!/usr/bin/env bash
ln -sr /usr/bin/{rpm-ostree,bootc}