Dockerfile

FROM ubuntu:12.04
MAINTAINER SKAhack

run  echo "deb http://archive.ubuntu.com/ubuntu quantal main universe" > /etc/apt/sources.list
RUN apt-get update
RUN apt-get install -y software-properties-common
RUN apt-get install -y openssh-server
RUN apt-get install -y sudo

RUN mkdir -p /home/docker

RUN useradd docker
RUN echo "docker:docker" | chpasswd

RUN mkdir -p /home/docker/.ssh; chown docker /home/docker/.ssh; chmod 700 /home/docker/.ssh
ADD ./authorized_keys /home/docker/.ssh/
ADD ./authorized_keys /root/.ssh/

RUN echo "docker ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

RUN mkdir /var/run/sshd
RUN /usr/sbin/sshd

EXPOSE 22

CMD ["/usr/sbin/sshd", "-D"]