FROM python:3.12-slim

# Install system dependencies for PDF/Docx processing
RUN apt-get update && apt-get install -y \
    build-essential \
    libmagic-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy the rest of the backend code
COPY . .

# Hugging Face Spaces uses port 7860 by default
ENV PORT=7860
EXPOSE 7860

# Run the application
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]