aws

7 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.

Multi-Account AWS Architecture: Building Event-Driven Systems for 10x Traffic Growth

Learn multi-account AWS architecture through "QuickGrocer's" migration from single-account monolith to event-driven systems during explosive growth. Explore patterns, challenges, and architectural decisions in distributed systems.

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 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.

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.

DynamoDB Toolbox: How It Saved Me From 6 Months of Type Hell and Schema Disasters

From raw AWS SDK struggles to production-ready single-table design. My journey with DynamoDB Toolbox, the mistakes that cost me weeks, and the patterns that finally worked at scale.