整個項目會用到的擴展包 ``` # 用于連接 Mysql 的在擴展 (.venv) root@airvip:~/python_app/flask-demo# pip install flask-sqlalchemy (.venv) root@airvip:~/python_app/flask-demo# pip install pymysql # Cache (.venv) root@airvip:~/python_app/flask-demo# pip install redis (.venv) root@airvip:~/python_app/flask-demo# pip install Flask-Caching # 隊列 (.venv) root@airvip:~/python_app/flask-demo# pip install celery # JWT 安全 (.venv) root@airvip:~/python_app/flask-demo# pip install flask-jwt-extended # 部署 (.venv) root@airvip:~/python_app/flask-demo# pip install gunicorn ```