FROM debian:stretch

ENV container docker
ENV LC_ALL C
ENV DEBIAN_FRONTEND noninteractive

COPY container.target /etc/systemd/system/container.target

RUN apt update && \
    apt install -y systemd python && \
    ln -sf /etc/systemd/system/container.target /etc/systemd/system/default.target && \
    ln -sf /lib/systemd/systemd /sbin/init && \
    apt-get clean && \
    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

ENTRYPOINT ["/sbin/init"]

CMD ["--log-level=info"]

STOPSIGNAL SIGRTMIN+3