Deep Dive on AWS Lambda Durable Functions (CNS380)

Durable functions keep business logic in familiar code while the platform owns checkpoint, replay, and long waits. That is the whole pitch — everything else is API surface.

If the workflow is mostly your code with occasional waits/callbacks, start here. If the workflow is mostly wiring AWS services with light glue, Step Functions still fits.

Chapters from the AWS Events transcript (52:43). Co-speakers: Eric Johnson (primary credit on this Talk) and Michael Gasch. Demo segments are dense — use step timestamps when scrubbing.