The Forgotten Joy of `node app.js`
There used to be a moment, ten years or so ago, when you could go from "I have an idea" to "I have a running web server" in about thirty seconds: // a…
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Production Checklist for Node.js CLI Tools
Production Checklist for Node.js CLI Tools A CLI can start as a quick script and still end up running important production work. When that happens, th…
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
Every developer who needs to automate screenshots eventually asks: should I run Puppeteer/Playwright myself, or use a screenshot API? I've done this c…
Stop Defaulting to WebSockets: A Practical Guide to SSE, Polling, and Knowing When You Actually Need Them
Stop Defaulting to WebSockets: A Practical Guide to SSE, Polling, and Knowing When You Actually Need Them You've been there. A ticket lands in your sp…
Three Ways to Fly: Building Route Options Ranked by Time, CO2 , and Reliability
Three Ways to Fly: Building Route Options Ranked by Time, CO₂, and Reliability Tags: aviation, webdev, javascript, node We just shipped the Routes tab…
How We Built a Sober Driver Booking System in Moldova: Real-time Dispatch with Node.js, Supabase & Vercel
How We Built a Sober Driver Booking System in Moldova: Real-time Dispatch with Node.js, Supabase & Vercel In September 2024, Moldova reclassified …
How to add backpressure to Socket.IO in production
Real-time applications often start with a simple promise: push data from the server to the client as it happens. You install Socket.IO, set up a names…
InversifyJS + OpenAPI: One Schema to Validate Them All
Here's a situation you've probably been in before: # Your OpenAPI spec says this: requestBody : content : application/json : schema : type : object re…
My bot stopped sending questions the day Egypt turned on Daylight Saving Time
I built a Telegram bot that sends math questions to kids every day at 2:30 PM Egypt time. It had been live for two weeks, running every single day wit…
KickJS Asset Manager — Type-Safe File Resolution from Dev to Dist
There is a familiar little discomfort that shows up the first time a Node.js service needs to read something off disk that is not source code. An emai…
Adapters vs Plugins in KickJS v5 — Choosing the Right Primitive
You read the adapters article. You understood defineAdapter . You went to wire up your next concern, opened the v5 docs, and got hit with a second wor…
Best resources to learn game development with Node.js
Every few months, someone asks me, What are the best resources to learn game development with Node.js? The question usually comes from one of two plac…
Build a typed CLI from scratch with Commander.js + Zod
The problem with untyped CLIs Commander.js is great for parsing arguments, but it hands you everything as string | undefined — regardless of what type…
Feature Flags in Node.js: Express and Fastify Guide
This was originally published on rollgate.io/blog/feature-flags-nodejs . Why Feature Flags in Node.js? Node.js powers a huge slice of production backe…
A short history of the CLI I built to stop curling IP APIs
A short history of the CLI I built to stop curling IP APIs The rhythm Let me start with the rhythm, because that is really where this tool came from. …
Cloud SQL IAM auth on Cloud Run with Postgres.js (no connector package in your app)
If you're using Cloud SQL on Cloud Run in Node.js, most tutorials point you to @google-cloud/cloud-sql-connector . That package is fine. But if you're…
How I automated dead endpoint detection and removed 16,000 lines from our Node.js codebase
Eight years of product iterations leaves marks. Our Express API had grown to 45,000 lines of code across hundreds of endpoints — features that shipped…
How I Built and Launched a Developer Tool in One Weekend from a Chromebook
I'm not a professional developer. But I had an idea on Friday night and by Sunday I had a live product at troubleshooting.sh. Here's exactly how it ha…
How I Built a Delay Risk Score for 628,000 Flights
Every flight in the MyAirports API includes a delayRisk object. It looks like this: { "flightNumber" : "VY1234" , "scheduledTime" : "2026-04-21T07:15:…
I built a 13-database ORM for Node.js because Prisma doesn't support Oracle
I'm Hamid — Software Engineer & Ophthalmologist in Algeria. My clinic's software needed to run on Oracle (government mandate), but my team writes …
Why I Built My Own URL Shortener (9rl.io) with Node.js and MongoDB
Why I Built My Own URL Shortener (9rl.io) with Node.js and MongoDB Building a URL shortener is often seen as a "hello world" project for backend devel…
I got tired of wiring the same caching stack every project, so I built LayerCache
Every Node.js service I've worked on hits the same caching wall. It always starts the same way. You add an in-memory cache. It's fast. Life is good. T…
How to Build a Certificate Generator with HTML and CSS
Every course platform, bootcamp, and online community eventually needs the same thing: certificates. And most developers reach for one of these soluti…
Split your AWS AppSync schema across multiple files
If you’re working with AWS AppSync or any modular GraphQL API, you’ve probably want to split your schema across multiple files. This is great for deve…
I Built a Resume Analyzer & Job Match Scoring API. Here's How It Works
Every job board, HR platform and career coaching app has the same problem, they need to tell candidates whether their resume is any good before a huma…
HTML to Image in Node.js — Without Puppeteer
Puppeteer is the obvious choice when you first need to convert HTML to an image in Node.js. It's well-documented, flexible, and produces accurate outp…
Our Stripe Delivery Pipeline — From Checkout to Download in 30 Seconds
Our Stripe Delivery Pipeline — From Checkout to Download in 30 Seconds When someone buys from Whoff Agents, they get their product in under 30 seconds…
Stop Using Certbot. Manage SSL Certificates From Your Node.js Code.
You know the ritual. You spin up a new server, install certbot, run the command, hope it works, set up a cron job for renewal, pray it doesn't silentl…
Stop Paying for TURN. Run Your Own in Node.js.
If you've ever built a WebRTC application, you've hit this wall: two users try to connect, and it works perfectly in your office. Then you deploy, and…
How I Built a Modular Multiplayer Game Engine with Node.js and Socket.io
I recently completed a project called GuessGrid, a real-time "Guess the Secret" game. While the frontend is straightforward, the backend was a deep di…