AWS Lambda Patterns
AWS Lambda best practices covering cold start optimization, Powertools for observability, layers, error handling, and TypeScript/Python patterns for serverless functions.
- Difficulty
- intermediate
- Read time
- 1 min read
- Version
- v1.0.0
- Confidence
- established
- Last updated
Quick Reference
AWS Lambda: Initialize SDK clients outside handler for reuse. Use Powertools for structured logging/tracing. SnapStart for Java/Python cold starts. ARM64 (Graviton) for better price/performance. Layers for shared dependencies. Provisioned concurrency for strict latency. Cache secrets. Bundle with esbuild for TypeScript.
Use When
- Building serverless functions
- AWS Lambda development
- Event-driven architectures
- API Gateway backends
Skip When
- Container-based applications
- Long-running processes
- Azure Functions or GCP Cloud Functions
AWS Lambda Patterns
AWS Lambda best practices covering cold start optimization, Powertools for observability, layers, error handling, and TypeScript/Python patterns for serverless functions.