Redis Caching Patterns: Cache-Aside, Write-Through and the Stampede Problem
How common Redis caching patterns work, where they fail, and how to prevent cache stampedes, with runnable Python examples and reproducible simulations.
#backend
Posts tagged #backend
Zero-Downtime Database Migrations Without Breaking Production
How to change a live PostgreSQL schema without freezing tables or breaking running code: the expand and contract pattern, safer versions of risky ALTERs, and tested code.
Top Node.js Libraries Every Developer Should Know
A practical tour of the packages that show up in almost every serious Node.js project, and when to reach for each one.
The Best Logging Library for Node.js in 2026
Pino vs Winston and the rest: how to choose a Node.js logging library, with code samples and the habits that matter more than the tool.
Building Production Subscriptions with Razorpay: Webhooks, Signatures, and Edge Cases
A practical engineering guide to handling RBI e-mandates, flipped HMAC signatures, Fastify raw body buffers, and idempotent webhooks in Node.js.
NestJS Best Practices for 2026: A Practical Guide (Updated for NestJS 12)
A practical, up-to-date guide to structuring, validating, securing, testing and running NestJS apps, updated for NestJS 12.
