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DevOps & Cloud Infrastructure (116)Web Development (78)ERP Systems (66)Backend & APIs (50)AI & LLMs (45)Career Reflections (22)Software Development (19)Security (14)Product & SaaS (6)Cloud (5)AI / Machine Learning (5)University (1)Hackathons (1)

DevOps

June 202511 min read

API Gateway Pattern with NestJS: Routing, Auth, and Rate Limiting in Production

How to implement an API gateway in NestJS microservices — covering request routing, authentication aggregation, rate limiting, and the trade-offs of building vs buying.

DevOps

June 202512 min read

Distributed Tracing with OpenTelemetry: A Practical NestJS Implementation

How to instrument a NestJS microservices application with OpenTelemetry for end-to-end distributed tracing — covering auto-instrumentation, custom spans, and backend choices.

DevOps

June 202510 min read

Circuit Breaker Pattern in NestJS: Building Resilient Microservices

How to implement the circuit breaker pattern in NestJS using nestjs-resilience4j or a custom implementation — preventing cascading failures and building self-healing services.

DevOps

June 202513 min read

CQRS and Event Sourcing with NestJS: When Complexity is Worth It

A practical guide to CQRS and event sourcing in NestJS — what the patterns actually solve, how to implement them with @nestjs/cqrs, and Martin Fowler's honest warning about when to skip them.

DevOps

June 202511 min read

Scaling WebSockets with Redis Pub/Sub: From One Server to Many

How to horizontally scale a WebSocket server using Redis Pub/Sub and Socket.IO — covering the sticky session problem, Redis adapter setup, and what happens when Redis becomes the bottleneck.

Web Dev

June 202511 min read

Testing Next.js Apps with Vitest and Jest: A Practical Comparison

A data-driven comparison of Vitest and Jest for Next.js applications — with benchmarks, setup examples, and an honest guide to which testing framework you should choose in 2025.

Showing 277–282 of 428 posts

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