FROM debian RUN apt-get update && apt-get install --no-install-recommends -y \ busybox \ console-data \ cron \ ifupdown \ kbd \ nano \ openssh-server \ python \ ssmtp \ systemd-sysv \ udev \ vim.tiny \ && rm -rf /var/lib/apt/lists/* RUN rm -rf /etc/init.d/ && \ mkdir /overlay && \ ln -sf /init /sbin/init && \ ln -sf /lib/systemd/system/systemd-netwkord.service /etc/systemd/system/multi-user.target.wants/systemd-networkd.service COPY issue /etc/issue COPY sshd_config /etc/ssh/sshd_config