flask.Flask.runprocessesthreaded windowsforkproesses
app.run(processes=3)
app.run(threaded=true)
runwerkzeugoptionsWerkzeug
> * options – the options to be forwarded to the underlying Werkzeug server. See werkzeug.run_simple() for more information.
>
Flask.run (bitbucket.org)
werkzeug parameters (pocoo.org)