FROM debian:trixie-slim

# Required by Molecule's Docker driver to detect we're in a container
ENV container=docker
ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update -qq \
    && apt-get install -y --no-install-recommends \
       python3 \
       sudo \
       systemd \
       systemd-sysv \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    # Remove units that fail or are irrelevant inside a container
    && rm -f \
       /lib/systemd/system/multi-user.target.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* \
       /etc/systemd/system/*.wants/*

VOLUME ["/sys/fs/cgroup"]
CMD ["/lib/systemd/systemd"]