FROM debian:latest

# Install packages
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install \
    openssh-server \
    apt-utils \
    python3\
    zip \
    unzip \
    sudo

RUN mkdir -p /var/run/sshd && sed -i "s/UsePrivilegeSeparation.*/UsePrivilegeSeparation no/g" /etc/ssh/sshd_config \
    && sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/' /etc/ssh/sshd_config \
    && touch /root/.Xauthority \
    && true

## Set a default user. Available via runtime flag `--user deploy`
## Add user to 'staff' group, granting them write privileges to /usr/local/lib/R/site.library
## User should also have & own a home directory, but also be able to sudo
RUN useradd deploy \
    && passwd -d deploy \
    && mkdir /home/deploy \
    && chown deploy:deploy /home/deploy \
    && addgroup deploy staff \
    && addgroup deploy sudo \
    && true

RUN mkdir -p /root/.ssh
RUN echo "ssh-rsa <your-key-here>" >> /root/.ssh/authorized_keys
RUN chmod 600 -R /root/.ssh

EXPOSE 22