FROM ubuntu:latest RUN apt update && apt install openssh-server sudo -y RUN useradd -rm -d /home/ubuntu -s /bin/bash -g root -G sudo -u 1000 test RUN echo 'test:test' | chpasswd RUN service ssh start RUN mkdir -p /usr/local/tracston EXPOSE 22 CMD ["/usr/sbin/sshd","-D"]