Production-ready lambdas with Node.js
summary
Shows a working Node.js HTTP status checker and walks through concrete steps to make Lambdas production ready: use AWS SAM for infrastructure as code, add structured logging, custom metrics and X Ray tracing via AWS Lambda Powertools, remove boilerplate with middy, and run Lambda Power Tuning to find the memory/CPU sweet spot. Notes Firecracker under the hood, limits like 15 minute timeout and 1,000 concurrent executions, and claims middy has 10 million downloads per month and practical automation (slickwatch) that actually produces dashboards and alarms.
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chapters (10)
- 0:00Introduction
- 2:25What is serverless
- 5:55AWS Lambda mechanics
- 16:52First Node.js Lambda
- 19:02Production-ready with IaC
- 22:38Observability with logs metrics
- 28:00Automate observability
- 30:30Reduce boilerplate with middleware
- 36:29Optimize performance and cost
- 38:38Use cases and Q&A
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