api-gateway

Deep dive into migrating Lambda functions, API Gateway configurations, request validations, and error handling from Serverless Framework to AWS CDK with practical examples.

Real lessons from building multi-version APIs in production. Why my first three versioning strategies failed, what actually works, and the CDK patterns that saved my sanity.

Why I moved from Express.js to Lambda, the costly mistakes I made along the way, and the TypeScript patterns that saved my team thousands in AWS bills.

How a 'simple' API change cost us $80K in enterprise client integration failures, why documentation drift kills businesses, and the production-tested system that generates OpenAPI specs from Zod schemas automatically.