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MMMarrouchi Mohamedblog.hexabot.ai3d ago · 13 min read

Why Self-Hosted AI Workflow Automation Matters?

AI workflow automation is quickly becoming one of the most important layers of modern business software. Teams no longer want simple scripts that move data from one app to another. They want AI system

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PMPeace Melodipeacemelodi.hashnode.devJun 22 · 5 min read

Building a Flash Sale Engine That Cannot Oversell: Distributed Locking and Optimistic Concurrency in NestJS

The problem flash sales create Flash sales create one of the most unforgiving concurrency problems in backend engineering. Thousands of people request the same limited stock in the same instant. If tw

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PMPeace Melodipeacemelodi.hashnode.devJun 19 · 2 min read

What I Learned Building an Open Source CLI Tool for NestJS

What I learned building create-nest-pro, an open source CLI tool that scaffolds a production ready NestJS project in seconds. I spent time trying to make npm i and npx behave the same way and eventual

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PMPeace Melodipeacemelodi.hashnode.devJun 16 · 2 min read

I Built a CLI Tool That Scaffolds a Production Ready NestJS Project in Seconds

I built a CLI tool that scaffolds a fully production ready NestJS project instantly with one command. When you are starting a new NestJS project, the setup is always the same. Database configuration,

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PMPeace Melodipeacemelodi.hashnode.devJun 14 · 2 min read

How I Built a Production Ready Microservice Notification System with NestJS, Redis, Bull Queues, and Docker

I built a real time notification microservice with NestJS, Redis, PostgreSQL, and Docker.When you are building a system that needs to deliver notifications instantly, a simple REST API is not enough.

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PMPeace Melodipeacemelodi.hashnode.devJun 11 · 2 min read

Building a Production Grade Authentication System with NestJS

Building a Production Grade Authentication System with NestJSSecurity is not a feature you bolt on after the fact. It is an architectural decision that shapes every layer of a system, from how request

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FGFelix Gogodaeblog.felixgogodae.xyzJun 11 · 14 min read

Two Hard Problems from My HNG Internship: Building a WAL from Scratch, Then Making Prometheus Work

Two Hard Problems from My HNG Internship: Building a WAL from Scratch, Then Making Prometheus Work During HNG14 I worked on two tracks simultaneously. The solo track was a series of backend stages — e

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AHAzaz H.azaz101hassan.hashnode.devJun 4 · 7 min read

What I learned building a tiny PR-review bot in 10 days

For the past ten days I've been building a GitHub bot that reviews pull requests against a team's own written conventions. Not a generic "linter with vibes" reviewer — a small, focused one that knows

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FGFelipe Gonzálezblog.figonzal.clJun 3 · 8 min read

Integrating Webpay Plus into a modern stack

If you've ever worked on an e-commerce project in Chile, sooner or later you bump into Transbank. There's no avoiding it. I built a reference template that use NestJS on the backend and Next.js 16 on

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ARarun rajkumartechwisdomarunrajkumar.hashnode.devJun 3 · 9 min read

How We Fixed 2-Week Developer Onboarding for 15 NestJS Microservices (Docker + Traefik v3 + Zod)

We had a problem nobody wanted to talk about. Every time a new developer joined Atoa, they spent their first two weeks doing the same thing: getting their local environment running. Fifteen NestJS mic

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Trending tags this week

Why Self-Hosted AI Workflow Automation Matters?

Building a Flash Sale Engine That Cannot Oversell: Distributed Locking and Optimistic Concurrency in NestJS

What I Learned Building an Open Source CLI Tool for NestJS

I Built a CLI Tool That Scaffolds a Production Ready NestJS Project in Seconds

How I Built a Production Ready Microservice Notification System with NestJS, Redis, Bull Queues, and Docker

Building a Production Grade Authentication System with NestJS

Two Hard Problems from My HNG Internship: Building a WAL from Scratch, Then Making Prometheus Work

What I learned building a tiny PR-review bot in 10 days

Integrating Webpay Plus into a modern stack

How We Fixed 2-Week Developer Onboarding for 15 NestJS Microservices (Docker + Traefik v3 + Zod)