Serverless design patterns

on YouTube ↗48m

" summary

Practical patterns: move periodic work and ops scripts off always-on servers into cron jobs → Lambda via CloudWatch Events to save cost; auto-subscribe new CloudWatch log groups and set retention by reacting to CloudTrail createLogGroup events; use Cognito temporary credentials so clients write directly to Kinesis; prefer Kinesis for durable retries and controlled concurrency over SNS for spiky loads; avoid event chains for in-bound workflows—use Step Functions for stateful flows (API Gateway times out at 29s, Lambda max 5min, default regional concurrency 1,000).

AI-written summary · about

" chapters (14)

1. 0:00Introduction and background
2. 3:52Serverless definition and evolution
3. 8:42Design patterns overview
4. 10:06Cron jobs and event-driven ops
5. 15:01Web apps and authentication
6. 17:52Multi-region architectures
7. 18:34Data processing pipelines
8. 21:43Event-driven microservices
9. 25:12Orchestration vs choreography
10. 28:04Invocation patterns and concurrency
11. 36:08Pub-sub with SNS and Kinesis
12. 40:40Database streams vs Kinesis
13. 44:54Saga pattern for transactions
14. 47:20Conclusion and Q&A

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