To give a quick answer on where it evolved. I created the EventBridge ETL pattern (github.com/cdk-patterns/serverless...) which uses EventBridge and Lambdas for extracting, transforming and loading data from s3 to DynamoDB. The vast majority of the logic in the Lambda functions is for processing events from and sending events to EventBridge so the ability to reduce that code was what I went looking for. Lambda Destinations is an answer to that.
It's nice code. Looks like it will launch a stack instantly. Interesting roots, etl. I'm fiddling with different patterns to replicate one set of DynamoDB tables to another set and most etl patterns use S3 for millions of bytes.
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