FROM ubuntu:focal

ARG USERNAME_TO_ADD=user
ARG UID_TO_ADD=1000
ARG GID_TO_ADD=1000

ARG UBUNTU_MIRROR_URL=mirror://mirrors.ubuntu.com/mirrors.txt

# setup
ADD ./run.sh /tmp/run.sh
RUN bash /tmp/run.sh && rm /tmp/run.sh

#cleanup
RUN apt-get clean && \
    rm -rf \
        /var/lib/apt/lists/* \
        /tmp/* \
        /var/tmp/* \
        /etc/ssh/ssh_host_*_key

EXPOSE 22