Answered by : jose-w49d19jhov73

> set FLASK_APP=hello
> set FLASK_ENV=development
> flask run

Source : https://flask.palletsprojects.com/en/master/server/ | Last Update : Sun, 13 Dec 20

Answered by : alexandre-girbal-sym32endztu4

if __name__ == '__main__': app.run(debug=True)
# OR a better practice:
# see stackoverflow answer: https://stackoverflow.com/questions/52162882/set-flask-environment-to-development-mode-as-default

Source : https://stackoverflow.com/questions/52162882/set-flask-environment-to-development-mode-as-default | Last Update : Fri, 02 Sep 22