FROM python:3.12-slim WORKDIR /app ENV PYTHONDONTWRITEBYTECODE=1 ENV PYTHONUNBUFFERED=1 COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt COPY app.py key_routes.py . CMD ["sh", "-c", "gunicorn --bind 0.0.0.0:${APP_PORT:-8000} --workers 2 --threads 4 app:app"]