FROM python:3.11-slim

# Install GCC and other build tools
RUN apt-get update && apt-get install -y \
    gcc \
    libc6-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

RUN pip install --no-cache-dir flask gunicorn

COPY app.py .

EXPOSE 8080

# Run with 4 workers to handle concurrent requests
CMD ["gunicorn", "--bind", "0.0.0.0:8080", "--workers", "4", "--timeout", "30", "app:app"]