Answers for "command to run flask app"

flask how to run app

$ export FLASK_APP=hello.py
$ python -m flask run
 * Running on http://127.0.0.1:5000/

run flask app from command line

# For bash do this:
set FLASK_APP=<app_name>

# For powershell do this:
$env FLASK_APP=<app_name>

# Run it like this
flask run

how to set and run flask app on terminal

> set FLASK_APP=hello
> flask run

run flask app from script

# I am assuming that you have configured the app name as "app"

if __name__ == "__main__":
    app.run()