Initial commit

Dockerfile

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+# 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