flask tutorial : https://flask.palletsprojects.com/en/1.1.x/tutorial/
Tutorial use virtual environment, but this application use docker.
1 clone this app.
$ git clone https://github.com/hysakhr/flask_tutorial_on_docker.git
2 running docker deamon.
3 running this app.
$ cd flask_tutorial_on_docker
$ docker-compose up
4 initialize database.(only first execute.)
$ docker exec -it flask_tutorial flask init-db
5 access to http://localhost:9000
register user, and post article.