Serverless Computing AWS Lambda (Node.js) Common Event Sources SST (recommended framework for AWS) Serverless Framework Cold Start Optimization | Technique | Impact | |-----------|--------| | Minimize bundle size (tree-shake, no large SDKs) | High | | Initialize clients outside handler | High | | Use ARM64 ( architecture) | Medium | | Provisioned concurrency for critical paths | High (costs more) | | Avoid VPC unless required | Medium | Anti-Patterns | Anti-Pattern | Fix | |--------------|-----| | Init DB/SDK inside handler | Move to module scope (reused across warm calls) | | Monolithic func…