FROM ubuntu:focal

ENV DEBIAN_FRONTEND noninteractive

RUN apt-get update -y && apt-get install -y --no-install-recommends sudo openssh-server git build-essential cmake ninja-build python3 python3-pip default-jre
RUN sed -i 's|session    required     pam_loginuid.so|session    optional     pam_loginuid.so|g' /etc/pam.d/sshd
RUN mkdir -p /var/run/sshd
RUN adduser --quiet jenkins
RUN echo "jenkins ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers

COPY ./jenkins-ubuntu/.ssh/authorized_keys /home/jenkins/.ssh/authorized_keys

RUN chown -R jenkins:jenkins /home/jenkins/.ssh/

EXPOSE 22

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