Deploy Amplify application accross diffrent AWS accounts

Hi,

We want to separate our DEV, QA, UAT and PROD environments into separate AWS account (to ensure no data leakeage, no way to break prod if something goes wrong with other envs and so on).

Core of our applicaiton is defined in Amplify app. We use various services within Amplify (Cognitio, DynamoDB, AppSync S3 and more).

What's the best approach this process? I've tried to sync repos between accounts but then a lot of role names, ARNs, ids are out of sync. Did you work with such a use case?