FROM debian:stretch-slim # build: docker build --tag=debian . # start: docker run -h debian -d -p 222:22 --name=debian debian RUN apt-get update \ && DEBIAN_FRONTEND=noninteractive apt-get install -y \ openssh-server \ && apt-get clean RUN mkdir /var/run/sshd RUN echo 'root:YourRootPasswordHere' | chpasswd RUN useradd -m --shell /bin/bash user RUN echo 'user:YourUserPasswordHere' | chpasswd EXPOSE 22 CMD ["/usr/sbin/sshd","-D"]