Building Low-Code Applications with Serverless Workflows
summary
AWS Step Functions used to replace Lambda glue: choose Standard vs Express (1 year vs 5 minute durations, exactly-once vs at-least-once), and optimize cost — a 17-transition standard run costs $0.42 per 1,000, the same workflow as Express costs $0.01 per 1,000. Patterns shown: parent standard calling child Express, emit-and-wait callbacks with task tokens, intrinsics to remove Lambdas, Saga/circuit-breaker error handling, and Distributed Map for up to 10,000 parallel tasks (gif generator example).
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chapters (9)
- 0:00Intro
- 2:45Agenda
- 3:42The end goal
- 5:30AWS Step Functions
- 16:29Which workflow type: Standard or express?
- 23:36Reducing cost
- 30:31Managing failures
- 32:27Step Functions at scale
- 38:15Outro
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