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…
Open Source
⚑ Report a ProblemLatest Open Source news from Tech News
All topics
AI
agents
ai
api
architecture
automation
aws
beginners
career
claude
database
devchallenge
devops
discuss
javascript
linux
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
rust
security
showdev
tutorial
typescript
webdev
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…
CLAUDE.md for Node.js: 6 Rules That Stop AI From Generating Bad Backend Code
CLAUDE.md for Node.js: 6 Rules That Stop AI From Generating Bad Backend Code You ask Claude to "add a POST /users endpoint" and you get back: A .then(…
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…
What I Look for When Hiring Remote Full-Stack Developers (React + Node.js)
What I Look for When Hiring Remote Full-Stack Developers (React + Node.js) After years of building and leading remote engineering teams, I've reviewed…
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…
"Turbocharge Your Workflow: A Step-by-Step Guide to Setting Up a Lightning-Fast Node.js Development Environment"
Turbocharge Your Workflow: A Step-by-Step Guide to Setting Up a Lightning-Fast Node.js Development Environment As developers, we've all been there - s…
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 …
I Audited My Own Open Source Library and Found 9 Security Bugs. Here's Every One.
Hey dev.to 👋 If you've read my previous post about layercache , you know it's a multi-layer caching library for Node.js — Memory → Redis → Disk behind…
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…
Stop Burning Tokens (and Brain Cells): A CLI Pomodoro Timer for Focused Coding
While struggling with concentration, I've always forced myself to use techniques that help me stay in flow while still leaving room to stretch, grab s…
How Frontend Talks to Backend — REST, JSON, and CORS Explained Without the Jargon
You've got a React app on one side. An Express server on the other. And you know you need to connect them somehow. But then come the questions — what …
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…
New Dev.to Publish Plugin for SuperCLI: Publish Articles from the Command Line
I just released a new plugin for supercli that lets you publish articles to Dev.to directly from the command line. What is devto-publish? devto-publis…
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…
Understanding the this Keyword in JavaScript: The Ultimate Guide
Introduction Imagine you're at a party and someone yells, "Hey you!" – but who are they talking to? It depends entirely on who they’re facing and poin…
A Powerful Node.JS CLI Time Tracker ⏱️🚀
Introducing super-time-tracker: A Node.js CLI Time Tracker (Rebuilt) After using my own track-time-cli for a while, I found myself wanting more — more…
A Powerful Node.JS CLI Time Tracker ⏱️🚀
Introducing super-time-tracker: A Node.js CLI Time Tracker (Rebuilt) After using my own track-time-cli for a while, I found myself wanting more — more…
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:…
Symfony Asset Mapper: How to Finally Test JavaScript Properly Without the Pain
You know the drill. Symfony Asset Mapper is a great tool. You've gotten rid of Webpack, npm install, and complex build processes. Everything is fast, …