tier-x -> packages-recommended.txt

That's basically all this is...plus a default
inheritance from the base image.

Signed-off-by: Colin Walters <walters@verbum.org>

Containerfile

@@ -0,0 +1,35 @@
+# This generates the default base image.
+
+# This is a local reference by default because we haven't shipped this image yet.
+FROM localhost/fedora-bootc:base as rootfs
+# Drop this into /usr/share/doc, so that other things can parse it
+COPY packages-recommended.txt /usr/share/doc/fedora-bootc/packages-recommended.txt
+RUN <<EORUN
+set -xeuo pipefail
+grep -E -v '^#' /usr/share/doc/fedora-bootc/packages-recommended.txt | xargs dnf -y install
+
+# Ensure we regenerate the initramfs with new content
+# https://docs.fedoraproject.org/en-US/bootc/initramfs/
+kver=$(cd /usr/lib/modules && echo *); dracut -vf /usr/lib/modules/$kver/initramfs.img $kver
+
+dnf clean all
+rm -vf /var/log/dnf*
+bootc container lint
+EORUN
+
+# This image just needs rpm-ostree in the end that has
+# https://github.com/coreos/rpm-ostree/issues/5221
+FROM registry.gitlab.com/fedora/bootc/base-images-dev/fedora-bootc-dev:rawhide as builder
+RUN --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared \
+    --mount=from=rootfs,dst=/rootfs <<EORUN
+set -xeuo pipefail
+rm /buildcontext/out.oci -rf
+rpm-ostree experimental compose build-chunked-oci --bootc --format-version=1 \
+           --rootfs=/rootfs --output /buildcontext/out.oci
+EORUN
+
+FROM oci:./out.oci
+# Need to reference builder here to force ordering. But since we have to run
+# something anyway, we might as well cleanup after ourselves.
+RUN --mount=type=bind,from=builder,src=.,target=/var/tmp \
+    --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared rm /buildcontext/out.oci -rf