FROM almalinux:8 as builder RUN mkdir -p /mnt/system-root /mnt/system-root/build; \ dnf install --installroot /mnt/system-root --releasever 8 --setopt=install_weak_deps=false --setopt=tsflags=nodocs -y coreutils-single \ bash \ glibc-minimal-langpack \ anaconda-tui \ lorax \ jq \ tar \ policycoreutils \ libblockdev-mdraid \ libblockdev-crypto \ libblockdev-lvm \ libblockdev-dm \ libblockdev-swap \ libblockdev-loop \ libblockdev-nvdimm \ libblockdev-mpath \ rootfiles; \ rm -rf /mnt/system-root/var/cache/* ; \ dnf clean all; \ cp /etc/yum.repos.d/* /mnt/system-root/etc/yum.repos.d/ ; \ rm -rf /var/cache/yum; \ # generate build time file for compatibility with CentOS /bin/date +%Y%m%d_%H%M > /mnt/system-root/etc/BUILDTIME ;\ # set DNF infra variable to container for compatibility with CentOS echo 'container' > /mnt/system-root/etc/dnf/vars/infra; \ # install only en_US.UTF-8 locale files, see # https://fedoraproject.org/wiki/Changes/Glibc_locale_subpackaging for details echo '%_install_langs en_US.UTF-8' > /mnt/system-root/etc/rpm/macros.image-language-conf ;\ touch /mnt/system-root/etc/machine-id COPY scripts/ /mnt/system-root/usr/bin # Create Final image from scratch for ks2rootfs FROM scratch COPY --from=builder /mnt/system-root/ / WORKDIR /build ENTRYPOINT ["/usr/bin/ks2rootfs"]