# Dockerfile for Hugging Face Spaces
FROM python:3.11-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create data directories
RUN mkdir -p data/documents data/faiss_index

# Set environment variables
ENV LLM_PROVIDER=huggingface
ENV EMBEDDING_PROVIDER=huggingface
ENV HUGGINGFACE_MODEL=mistralai/Mistral-7B-Instruct-v0.2
ENV HUGGINGFACE_EMBEDDING_MODEL=sentence-transformers/all-MiniLM-L6-v2
ENV API_HOST=0.0.0.0
ENV API_PORT=8000

# Expose port
EXPOSE 8000

# Run the application
CMD ["python", "-m", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]