[Flask] Why flask.run() is not for production environment

[Deepak Jose]

Hi Team,

Can someone explain me why run() is not good for production environment?
All the examples I have seen for flask use run. Can someone help me to
understand why it is not recommended and
how we have to deploy our app then? The :ref:'deployment' can be found
where?

Excerpts from flask documentation for run:

def run(self, host=None, port=None, debug=None, **options):
"""Runs the application on a local development server.

*Do not use ``run()`` in a production setting. It is not intended to*
*meet security and performance requirements for a production server.*


*Instead, see :ref:`deployment` for WSGI server recommendations.*Thanks,
Deepak
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