FROM python:3.11-slim

# Install system dependencies
# - libreoffice: converts DOCX/PPTX/XLSX → PDF
# - poppler-utils: pdftoppm for PDF → images
# - libgl1 / libglib2.0-0: OpenCV deps (if needed later)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libreoffice \
    poppler-utils \
    libgl1 \
    libglib2.0-0 \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user (HF Spaces requirement)
RUN useradd -m -u 1000 appuser

WORKDIR /app

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

# Copy application code
COPY app.py .

# Switch to non-root user
USER appuser

EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s \
    CMD curl -f http://localhost:7860/health || exit 1

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "2"]