I developed a reactJS project (front-end) on AWS which has it RESTFUL API coming from heroku. They are completly separated i.e the frontend and backend.
I have successfu
Firstly, it is perfectly fine to deploy them on different servers/cloud. Can you give the URL ? I feel it is not issue of different clouds but configuration issue. Can you first put a simple html file on same S3 bucket and see if you can access that via your domain name.
Suppose you have your react app example.com hosted in bucket named ant. So, go ahead and put additional test.html in bucket ant. Then try example.com/test.html .. This will make sure your domain setting etc. are proper