колба как запустить приложение
$ export FLASK_APP=hello.py
$ python -m flask run
* Running on http://127.0.0.1:5000/
Puzzled Pelican
$ export FLASK_APP=hello.py
$ python -m flask run
* Running on http://127.0.0.1:5000/
$ export FLASK_ENV=development
$ flask run
export FLASK_APP="mainfilename.py"
export FLASK_DEBUG=1
python -m flask run --host=0.0.0.0your_app_name.run(debug=1)export FLASK_ENV=development
# To launch the app (Needed only once)
flask run