Flask workshop
*** Make sure debug mode is on (enables automatic reloading, error logging)
Linux: export FLASK_DEBUG=1
Windows: set FLASK_DEBUG=1
(press enter after server file reload)
Flask homepage: http://flask.pocoo.org/
Full documentation: http://flask.pocoo.org/docs/1.0/
Another tutorial: http://flask.pocoo.org/docs/1.0/tutorial/layout/