FROM python:3.11-slim

# Install poppler-utils (required by pdf2image for PDF → PNG conversion)
RUN apt-get update && apt-get install -y --no-install-recommends \
    poppler-utils \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy app files
COPY app.py .
COPY index.html .

# HF Spaces expects the app on port 7860
EXPOSE 7860

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