# Systemd inside a Docker container, for CI only
FROM ubuntu:22.10

# Configure Ubuntu with SystemD
RUN export DEBIAN_FRONTEND=noninteractive TZ=America/Los_Angeles \
 && apt-get update -y \
 && apt-get upgrade -y \
 && apt-get install -y \
        systemd \
        curl \
        git \
        sudo \
        python3-pip python3-venv \
 && rm -rfv /var/lib/apt/lists/* \
 && find /etc/systemd/system /lib/systemd/system \
      -path '*.wants/*' \
      -not -name '*journald*' \
      -not -name '*systemd-tmpfiles*' \
      -not -name '*systemd-user-sessions*' \
      -exec rm -fv {} \;

# Some required environment variables....
ENV TLJH_BOOTSTRAP_DEV=yes \
    TLJH_BOOTSTRAP_PIP_SPEC=/srv/src \
    PATH=/opt/tljh/hub/bin:${PATH}

# Tell SystemD to start up...
RUN systemctl set-default multi-user.target

# Download the repository into its expected location
# and run the bootstrapper to initialize the service.
ARG TLJH_ADMIN_USERNAME="admin"
ARG TLJH_ADMIN_PASSWORD="admin"
ARG TLJH_REPO="https://github.com/jupyterhub/the-littlest-jupyterhub"
RUN git clone --depth=1 "$TLJH_REPO" /srv/src && rm -rf /srv/src/.git

# Preinstall everything needed, this will fail when it tries to start up tljh
RUN python3 /srv/src/bootstrap/bootstrap.py --admin "$TLJH_ADMIN_USERNAME:$TLJH_ADMIN_PASSWORD" || true

# Finish running the installer as first thing when systemd is up
RUN CRED="$TLJH_ADMIN_USERNAME:$TLJH_ADMIN_PASSWORD" \
 && echo '#!/bin/bash' > /etc/rc.local \
 && echo "/opt/tljh/hub/bin/python3 -m tljh.installer --admin '$CRED'" >> /etc/rc.local \
 && chmod 755 /etc/rc.local

# This is what's running on container startup
CMD ["/lib/systemd/systemd", "--log-target=journal"]
EXPOSE 80/tcp
STOPSIGNAL SIGRTMIN+3