Dockerfile

FROM python:3.11-slim

WORKDIR /app

# ---- System dependencies + R ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    r-base \
    && rm -rf /var/lib/apt/lists/*

# ---- Python dependencies ----
COPY requirements.txt /app/requirements.txt

RUN pip install --no-cache-dir -r /app/requirements.txt \
    notebook \
    ipykernel \
    papermill \
    nbclient \
    jupyter_client \
    jupyter_core

# ---- Register Python kernel ----
RUN python -m ipykernel install --sys-prefix --name python3 --display-name "Python 3"

# ---- Install + register R kernel ----
RUN R -e "install.packages('IRkernel', repos='https://cloud.r-project.org/')"
RUN R -e "IRkernel::installspec(name='ir', displayname='R', user=FALSE)"

# ---- Copy project files ----
COPY . /app

EXPOSE 7860

CMD ["python", "app.py"]