FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system deps (for PyPDF2 and FAISS)
RUN apt-get update && apt-get install -y \
    build-essential \
    poppler-utils \
    && rm -rf /var/lib/apt/lists/*

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

COPY . .

ENV HF_HOME=/tmp/huggingface

# Expose port for Hugging Face Spaces
EXPOSE 7860

# Run the FastAPI app
CMD ["python", "qwen_app.py"]