clone this repository
$ cd hello_flask
$ pipenv install
$ pipenv run python hello_flask.py
$ curl http://localhost:5000/api/test
$ curl -X POST http://localhost:5000/api/test/1234
json
$ curl http://localhost:5000/api
$ curl -X POST -H 'Accept:application/json' -H 'Content-Type:application/json' http://localhost:5000/api -d '{"data":"hoge"}'