In the first two episodes, we saw how to deploy a React App on S3 very easily : https://medium.com/ovrsea/deploy-automatically-a-react-app-on-amazon-s3-iam-within-minutes-da6cb0096d55.
You uploaded you React App on a S3 Bucket thanks to https://medium.com/ovrsea/deploy-automatically-a-react-app-on-amazon-s3-iam-within-minutes-da6cb0096d55.