FROM python:3.12-slim WORKDIR /app COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt COPY . . EXPOSE 5000 ENV PYTHONUNBUFFERED=1 ENV PYTHONIOENCODING=utf-8 # Use Gunicorn instead of python main.py CMD ["gunicorn", "--bind", "0.0.0.0:5000", "-k", "gevent", "--workers", "1", "--timeout", "120", "--access-logfile", "-", "--error-logfile", "-", "--log-level", "info", "main:app"]