> The producer sees no more dependency so it prunes the export. But it can't delete the export, cause the consumer still needs it. You can't deploy the consumer, because the producer has to deploy first sequentially. And if you can't delete the consumer (eg your company mandates a CI pipeline deploy for everything) you gotta go bug Ops on slack, wait for someone who has the right perms to delete it, then redeploy.

This is a tricky issue. Here is how we fixed it:

Assume you have a stack with the ConstructID of `foo-bar`, and that uses resources exported to `charlie`.

Update the Stack ConstructID to be a new value, ie `foo-bar-2`. Then at the very end of your CI, add a `cdk destroy foo-bar` to delete the original stack. This forces a new deployment of your stack, which has new references. Then, `charlie` updates with the new stack and the original `foo-bar` stack can be safely destroyed once `charlie` successfully updates.

The real conundrum is with data - you typically want any data stacks (Dynamo, RDS, etc) to be in their own stack at the very beginning of your dependency tree. That way any revised stacks can be cleanly destroyed and recreated without impacting your data.