>Unfortunately, AWS doesn’t provide API endpoints for most services inside VPCs; they have public addresses
S3 VPC endpoints are supported from 2015; KMS endpoint has been added in Jan 2018.
Full list is here:
>The problem, though, was that we had no easy and user-friendly way to connect developers to the VPC
Now we have quite easy and friendly way to connect developers to VPC using standard OpenVPN client:
So no more reason to discard RDS option any more ;)