Stripe Payment Works only in my LocalHost but Does not work on Heroku server

I'm learning web development and I was building this project but I have this problem Stripe Payment Works on LocalHost but Does not work on Heroku.

https://i.stack.imgur.com/UsMKp.png

and this is the current code https://github.com/unmalnickname/Ebook-Seller-App

and the Heroku site https://powerful-oasis-51375.herokuapp.com

Thank you for your time and help