how configure flask dev server to be visible across your local network

write and execute this on console:

flask run --hots=0.0.0.0

then you can access to your app on browser normally but

to access in your cellphone 

you must type the url that appears in console after execute the previous command

* Serving Flask app 'run.py' (lazy loading)

 * Environment: development

 * Debug mode: on

 * Running on all addresses.

   WARNING: This is a development server. Do not use it in a production deployment.

 * Running on http://192.168.0.125:5000/ (Press CTRL+C to quit)

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 144-786-933