eg_sshd Dockerfile based on https://docs.docker.com/engine/examples/running_ssh_service/#run-a-test_sshd-container

.gitignore

*.swp

README.md

Build

$ docker build -t eg_sshd .

Run

$ docker run -d -P --name test_sshd eg_sshd
$ docker port test_sshd 22

Test

Use host and port from the output of docker port cmd.

$ ssh root@0.0.0.0 -p 32769

The password is "screencast".

Dockerfile

FROM ubuntu:16.04

RUN apt-get update && apt-get install -y openssh-server
RUN mkdir /var/run/sshd
RUN echo 'root:screencast' | chpasswd
RUN sed -i 's/PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config

# SSH login fix. Otherwise user is kicked off after login
RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd

ENV NOTVISIBLE "in users profile"
RUN echo "export VISIBLE=now" >> /etc/profile

EXPOSE 22
CMD ["/usr/sbin/sshd", "-D"]