FROM debian:stretch-slim RUN set -ex \ && echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/backports.list \ && apt-get update \ && apt-get install -y --no-install-recommends \ build-essential \ devscripts \ fakeroot \ debhelper=12.\* dh-autoreconf=17\* \ && apt-get -y autoremove \ && apt-get clean \ && rm -rf /tmp/* /var/tmp/* /var/log/* /var/lib/apt/lists/* /var/log/alternatives.log RUN chmod a+rwx,u+t /tmp ENTRYPOINT [] CMD ["/bin/sh"]