FROM docker.io/library/python:3.12-slim

RUN apt-get update \
    && apt-get install -y --no-install-recommends curl ca-certificates \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# Download the full scunpacked dataset (~83 MB) at build time so the image
# is self-contained; DATA_DIR points the API at it.
RUN python scripts/fetch_data.py --output-dir /app/data/full
ENV DATA_DIR=/app/data/full

RUN useradd --create-home appuser \
    && chown -R appuser:appuser /app
USER appuser

EXPOSE 8000

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]