FROM python:3.12-slim

# Set working directory
WORKDIR /app

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

# Copy backend requirements first for better caching
COPY backend/requirements.txt /app/backend/requirements.txt

# Install Python dependencies
RUN pip install --no-cache-dir -r /app/backend/requirements.txt

# Copy rag_anything_smaranika (contains raganything module)
COPY rag_anything_smaranika /app/rag_anything_smaranika

# Install raganything as an editable package
RUN pip install -e /app/rag_anything_smaranika

# Copy backend application code
COPY backend /app/backend

# Create necessary directories
RUN mkdir -p /app/storage /app/uploads /app/backend/output

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

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