ks2rootfs/Dockerfile.livecd

# ----------------------------------------------------------------------------
# Multi stage docker build for live cd tools in docker/container environment
# AlmaLinux Init + Live CD Tools + PyKickStart 
# ----------------------------------------------------------------------------
FROM almalinux:8 as builder

RUN dnf install -y epel-release && \
#    dnf upgrade -y && \
    mkdir -p /mnt/system-root /mnt/system-root/build; \
    dnf install --enablerepo="powertools" --enablerepo="epel" --installroot /mnt/system-root  --releasever 8 --setopt=install_weak_deps=False --setopt=tsflags=nodocs -y \
    dnf \
    systemd \
    livecd-tools \
    pykickstart \
    grub2-efi-*64 \
    grub2-efi-*64-cdboot \
    shim-*64 ; \
    rm -rf /mnt/system-root/var/cache/* ; \
    dnf clean all; \
    cp /etc/yum.repos.d/* /mnt/system-root/etc/yum.repos.d/ ; \
    /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; \
    echo 'LANG="C.utf8"' > /etc/locale.conf; \
    touch /mnt/system-root/etc/machine-id; \
    rm -rf /var/cache/yum; 

# Create Final image from scratch for ks2rootfs
FROM scratch

COPY --from=builder /mnt/system-root/ /

# systemd-udev-trigger.service \
# systemd-udevd.service \
# systemd-random-seed.service \
# systemd-remount-fs.service \
#sys-fs-fuse-connections.mount \
RUN systemctl mask  \
    dev-hugepages.mount \
    systemd-logind.service \
    getty.target \
    console-getty.service \
    systemd-machine-id-commit.service

WORKDIR /build

STOPSIGNAL SIGRTMIN+3
CMD ["/sbin/init"]

#ENTRYPOINT ["/bin/bash"]