FROM python:3.11-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first (for better caching)
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create necessary directories
RUN mkdir -p data/uploads data/processed data/vectordb data/billing

# Expose port (Hugging Face Spaces uses 7860, but we'll use PORT env var)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:${PORT:-7860}/health/live || exit 1

# Start the application using app.py (as specified in README.md)
# Hugging Face Spaces will run app.py when app_file is set
CMD ["python", "app.py"]