This. I used Lambda@Edge last week to smooth some rough edges between CloudFront and S3. S3 is just a HTTP server for CloudFront and S3 in itself is a rather

This. I used Lambda@Edge last week to smooth some rough edges between CloudFront and S3. S3 is just a HTTP server for CloudFront and S3 in itself is a rather dumb HTTP server. Lambda@Edge allowed me to add some additional features to that integration to make S3 a bit more bearable, like automatic index files and path cleanups.