Simplest would probably be just turning on versioning for the prod responses bucket.
The best would probably be a scheduled Lambda copying all responses from the prod responses bucket to a separate backup bucket, with versioning and Glacier transition enabled.
Simplest would probably be just turning on versioning for the prod responses bucket.
The best would probably be a scheduled Lambda copying all responses from the prod responses bucket to a separate backup bucket, with versioning and Glacier transition enabled.