FROM debian:unstable ENV TERM=xterm-256color RUN apt-get update && apt-get install -y --no-install-recommends \ openssh-server \ python python3 && \ rm -rf /var/cache/apt/* /etc/ssh/ssh_host_* # ssh host keys are generated by entrypoint, remove rm /etc/ssh/ssh_host* # to hardcode ssh host keys into the image RUN mkdir /run/sshd COPY id_ed25519.pub /root/.ssh/authorized_keys WORKDIR /root/ COPY entrypoint.sh / CMD ["bash", "/entrypoint.sh"]