Setup a serverless backend by using Webtask and Stripe
After creating an account for webtask and stripe open up the Webtask stripe template and copy in your Stripe publishable and private key. Then copy the publishable key into the index.html Stripe Checkout div.
Then change the domain name in package.json and run npm run deploy this will deploy your website in 5 min :)
For more details follow my article at: http://medium.com/kaicianflone/
Enjoy!