FROM python:3.11-slim

# texlive: base + extra + french + recommended fonts/packages
# poppler-utils: pdftoppm to render PDF pages to PNG previews
RUN apt-get update && apt-get install -y --no-install-recommends \
        texlive-latex-base \
        texlive-latex-extra \
        texlive-fonts-recommended \
        texlive-lang-french \
        texlive-latex-recommended \
        poppler-utils \
    && rm -rf /var/lib/apt/lists/*

# HF Spaces runs containers as a non-root user with UID 1000.
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    GRADIO_SERVER_NAME=0.0.0.0 \
    GRADIO_SERVER_PORT=7860

WORKDIR /home/user/app

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

COPY --chown=user . .

EXPOSE 7860
CMD ["python", "app.py"]