$ pip install Flask-Caching

weekend-hackathon/  
|-- app  
|   |-- views  
|   |    `-- sample.py  
|   |-- cache.py
|   `-- __init__.py  
|-- app.py  
|-- Dockerfile  
`-- requirements.txt

from flask_caching import Cache

cache = Cache(config={"CACHE_TYPE": "simple"})

from flask import Flask

from app.cache import cache
from app.views.about import about
from app.views.main import main


def get_app() -> Flask:
    app = Flask(__name__)
    cache.init_app(app)
    _register_blueprint(app)
    return app


def _register_blueprint(app: Flask) -> None:
    app.register_blueprint(about)
    app.register_blueprint(main)

from flask import Blueprint

from app.cache import cache

sample = Blueprint("sample", __name__)


@sample.route("/")
@cache.cached(timeout=50)
def index():
    print("sample.index")
    return "sample.index"