debian9-systemd/Dockerfile

FROM debian:stretch

ENV container docker
ENV DEBIAN_FRONTEND noninteractive

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

RUN apt update && \
    apt install -y systemd python locales && \
    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/* && \
    localedef -i ru_RU -c -f UTF-8 -A /usr/share/locale/locale.alias ru_RU.UTF-8

ENTRYPOINT ["/sbin/init"]

ENV LANG ru_RU.utf8

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

STOPSIGNAL SIGRTMIN+3