FROM python:3.11-slim

WORKDIR /app

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

# Copy application files
COPY app.py .
COPY saas_connector_dynamodb.py .
COPY templates/ templates/
COPY static/ static/

# Expose port
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD python -c "import requests; requests.get('http://localhost:8000/health')"

# Run with gunicorn (production-grade WSGI server)
CMD ["gunicorn", "--bind", "0.0.0.0:8000", "--workers", "4", "--timeout", "120", "app:app"]