aws-cdk

9 posts

AWS Lambda + S3 Signed URLs: The Battle-Tested Solution for Large File Uploads

How we went from 30-second Lambda timeouts killing our video platform to handling 10GB+ file uploads seamlessly with S3 signed URLs. Complete implementation with CDK, security considerations, and production lessons learned.

Migrating from Serverless Framework to AWS CDK: Part 1 - Why Make the Switch?

Explore the motivations behind migrating from Serverless Framework to AWS CDK, including licensing changes, architectural advantages, and when CDK becomes the better choice for your serverless applications.

Migrating from Serverless Framework to AWS CDK: Part 2 - Setting Up Your CDK Environment

Learn how to structure a CDK project for serverless applications, configure TypeScript for Lambda development, and establish patterns that ease migration from Serverless Framework.

Migrating from Serverless Framework to AWS CDK: Part 3 - Lambda Functions and 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.

Migrating from Serverless Framework to AWS CDK: Part 4 - Database and Environment Management

Master DynamoDB migrations, environment variable management, secrets handling, and VPC configurations when moving from Serverless Framework to AWS CDK.

Migrating from Serverless Framework to AWS CDK: Part 5 - Authentication, Authorization, and IAM

Implement robust authentication with Cognito, API Gateway authorizers, and fine-grained IAM policies when migrating from Serverless Framework to AWS CDK.

Migrating from Serverless Framework to AWS CDK: Part 6 - Migration Strategies and Best Practices

Execute a smooth migration from Serverless Framework to AWS CDK with proven strategies, testing approaches, rollback procedures, and performance optimization techniques.

API Versioning with AWS CDK: How I Finally Got It Right After 3 Failed Attempts

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.

Zod + OpenAPI + AWS Lambda: The $80K Bug That Taught Me Schema-First Development

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.