Dockerfile

# This is from https://hub.docker.com/r/jrei/systemd-debian/~/dockerfile/

FROM debian:bookworm

ENV container docker
ENV LC_ALL C
ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update \
    && apt-get install -y systemd \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

RUN rm -f /lib/systemd/system/multi-user.target.wants/* \
    /etc/systemd/system/*.wants/* \
    /lib/systemd/system/local-fs.target.wants/* \
    /lib/systemd/system/sockets.target.wants/*udev* \
    /lib/systemd/system/sockets.target.wants/*initctl* \
    /lib/systemd/system/sysinit.target.wants/systemd-tmpfiles-setup* \
    /lib/systemd/system/systemd-update-utmp*

RUN systemctl set-default multi-user.target

ENV init /lib/systemd/systemd
VOLUME [ "/sys/fs/cgroup" ]

ENTRYPOINT ["/lib/systemd/systemd"]