Blog

That innocent CMD ["npm", "start"] in your Dockerfile is causing 502 errors during every deployment. Here's why direct process execution matters and how to implement proper graceful shutdown in Node.js and NestJS.

Dead Letter Queues aren't just error handlers — they're your last line of defense against message loss and system failures. Here's everything you need to know about DLQs, redrive policies, and why proper configuration matters.

Discover how AWS ECS and Fargate use fractional CPU units instead of whole cores, and understand what's really happening under the hood when you assign 0.25 or 0.5 vCPUs to your containers.

SQS and SNS aren't just messaging services — they're the foundation of modern event-driven architectures. Here's the deep dive into AWS's two messaging giants, how they work together, and how to leverage them for building scalable, decoupled systems.

Uncover how JavaScript's JSON.stringify() and JSON.parse() methods work under the hood, their powerful hidden features, and master the art of data serialization.

Explore how V8, JavaScript's powerhouse engine, stores objects and arrays in memory, and leverages intelligent caching mechanisms to deliver blazing-fast performance.

Explore how Amazon ECS service discovery simplifies microservices communication, improves scalability, and reduces operational complexity. Learn implementation patterns and best practices.

API Gateway isn't just a reverse proxy — it's a complete API management platform that handles authentication, rate limiting, caching, and transformation. Here's how AWS API Gateway and Google Cloud API Gateway are changing the game, and why you need one in your architecture.