FROM debian:testing-slim RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.list && \ sed -i 's@security.debian.org@apt-cache.lan/security.debian.org@g' /etc/apt/sources.list && \ apt-get update && apt-get install -y \ dnsutils procps nmap bash iputils-ping bash RUN apt-get remove -y --purge man-db ;\ apt-get autoremove -y --purge ;\ apt-get clean -y ;\ rm -rf /var/lib/apt/lists/* ;\ rm -rf /var/cache/apt/* ADD docker-entrypoint.sh / ENTRYPOINT ["/docker-entrypoint.sh"]