FROM python:3.10-slim

WORKDIR /app

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

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

# Copy application code
COPY backend/ ./backend/
COPY frontend/build ./frontend/build

# Environment variables
ENV PYTHONPATH=/app/backend
ENV DATABASE_URL=sqlite:///./backend/rfp.db
ENV HUGGINGFACE_MODEL=mistralai/Mistral-7B-Instruct-v0.3

# Expose port
EXPOSE 7860

# Start application
CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]