FROM ubuntu:16.04 LABEL maintainer "ivan.ilves@gmail.com" RUN apt-get update && apt-get --yes install openssh-server openssh-client sudo iproute2 iputils-ping iptables \ && mkdir /var/run/sshd \ && mkdir -p /lib/systemd/system && touch /lib/systemd/system/ssh.service \ && ln -s /bin/true /sbin/modprobe \ && apt-get clean ADD ./ssh-keys /root/.ssh ADD ./systemctl.mock /bin/systemctl CMD ["/usr/sbin/sshd", "-De"]