FROM python:3.13-slim
WORKDIR /app

# Copy requirements first (better layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Expose port
EXPOSE 5000

# Run with Gunicorn
CMD ["gunicorn", "--config", "gunicorn_config.py", "--bind", "0.0.0.0:5000", "--workers", "4", "app:app"]