FROM quay.io/jupyterhub/jupyterhub:latest

# Install system dependencies
USER root
RUN apt-get update && apt-get install -y \
    curl \
    gnupg \
    iproute2 \
    iputils-ping \
    netcat \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Install Docker CLI (needed for DockerSpawner)
RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg \
    && echo "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu focal stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null \
    && apt-get update \
    && apt-get install -y docker-ce-cli \
    && rm -rf /var/lib/apt/lists/*

# Install Required packages
RUN pip install --no-cache-dir \
        dockerspawner \
        jupyterhub-nativeauthenticator \
        jupyterhub-dummyauthenticator \
        nbgrader \
        psycopg2-binary

RUN mkdir -p /srv/nbgrader/exchange
RUN chmod -R 777 /srv/nbgrader/exchange
RUN mkdir -p /srv/nbgrader/courses
RUN chown -R 1000:100 /srv/nbgrader 

#RUN jupyter nbextension install --sys-prefix --py nbgrader --overwrite
#RUN jupyter nbextension enable --sys-prefix --py nbgrader
#RUN jupyter serverextension enable --sys-prefix --py nbgrader

# Set Workdir
WORKDIR /srv/jupyterhub

# Generate Cookie Secret
RUN openssl rand -hex 32 > /srv/jupyterhub/cookie_secret
RUN chmod 600 /srv/jupyterhub/cookie_secret
#ENV JUPYTERHUB_AUTH_TOKEN=$(openssl rand -hex 32)

EXPOSE 8000

CMD ["jupyterhub", "-f", "/srv/jupyterhub/jupyterhub_config.py"]