FROM python:3.11-slim

WORKDIR /app

# Install system deps for PyPDF2, python-docx, torch, and file security (libmagic)
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    libgomp1 \
    libmagic1 \
    && rm -rf /var/lib/apt/lists/*

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

# Copy source
COPY . .

EXPOSE 7860

CMD ["gunicorn", "-c", "gunicorn.conf.py", "app:app"]