Node.js vs Deno vs Bun: JavaScript Runtimes Compared
Compare Node.js, Deno, and Bun on performance, security, compatibility, and developer experience. Choose the right JavaScript runtime for 2026.
·8 min read · #nodejs#deno#bun
#nodejs
23 posts · page 1 of 1
Graceful Shutdown: Finishing Work Before Exiting
Implement graceful shutdown in backend services. Covers signal handling, draining connections, health check coordination, and timeout strategies.
·6 min read · #backend#deployment#reliability
Node.js Cluster Module for Multi-Core Scaling
Scale your Node.js application across all CPU cores using the cluster module. Covers load balancing, zero-downtime restarts, and production patterns.
·6 min read · #nodejs#clustering#scaling
Corepack: Managing Package Managers in Node.js
Use Corepack to enforce consistent package manager versions across your team. Covers setup, configuration, and CI integration.
·5 min read · #nodejs#corepack#tooling
Node.js diagnostics_channel: Built-in Observability
Use the diagnostics_channel API to add zero-overhead observability to your Node.js applications without modifying library code.
·5 min read · #nodejs#observability#diagnostics
Node.js Built-in Test Runner: A Complete Guide to node:test
Learn how to use the native Node.js test runner with no external dependencies. Covers test organization, mocking, snapshots, and code coverage.
·6 min read · #nodejs#testing#node-test
Node.js Permission Model: Sandboxing Your Applications
Use the Node.js permission model to restrict file system, network, and child process access for secure application sandboxing.
·6 min read · #nodejs#security#permissions
Node.js Single Executable Applications (SEA)
Bundle your Node.js application into a single executable binary with no runtime dependency. Covers the SEA workflow and production tips.
·6 min read · #nodejs#single-executable#deployment
Node.js Streams and Backpressure Handling
Understand how Node.js streams work and how to handle backpressure correctly to avoid memory leaks and data loss.
·6 min read · #nodejs#streams#performance
Node.js Worker Threads: A Practical Guide for CPU-Intensive Tasks
Master worker threads in Node.js to offload CPU-heavy operations. Covers thread pools, SharedArrayBuffer, and real-world patterns.
·6 min read · #nodejs#worker-threads#concurrency
Structured Logging in Node.js with Pino
Set up fast structured logging in Node.js using Pino. Covers log levels, child loggers, request tracing, and production configuration.
·6 min read · #nodejs#logging#pino
API Testing with Supertest and Jest
Learn how to write fast, reliable API tests for Express and Node.js backends using Supertest and Jest.
·7 min read · #testing#supertest#jest
Node.js Clustering for Performance
Scale Node.js applications across CPU cores with the cluster module. Covers worker management, load balancing, zero-downtime restarts, and PM2.
·6 min read · #nodejs#clustering#advanced
Event Emitters in Node.js
Understand the EventEmitter pattern in Node.js. Covers custom emitters, error handling, async events, memory leaks, and real-world patterns.
·6 min read · #nodejs#events#intermediate
Node.js Native Test Runner
Learn to write tests with Node.js built-in test runner. Covers test organization, assertions, mocking, subtests, code coverage, and watch mode.
·7 min read · #nodejs#testing#intermediate
Node.js Streams: A Practical Guide
Master Node.js streams for efficient data processing. Covers readable, writable, transform, and duplex streams with real-world examples.
·7 min read · #nodejs#streams#intermediate
WebSockets in Node.js: Real-Time From Scratch
Build a real WebSocket server in Node.js: handshake, broadcasting, heartbeats, backpressure, and scaling beyond a single process.
·4 min read · #websockets#nodejs#intermediate
Install Node.js and Run Your First Script
A practical guide to installing Node.js with nvm on macOS, Linux, and Windows — checking versions, running .js files, and using the REPL for quick experiments.
·7 min read · #nodejs#beginners#setup
Build Your First REST API with Express
A hands-on tutorial — install Express, define GET/POST/PUT/DELETE routes, parse JSON bodies, use route params, and return proper status codes for an in-memory todos API.
·9 min read · #nodejs#intermediate#express
Node.js fs and path: Reading and Writing Files
A practical guide to file I/O in Node — fs/promises vs callback vs sync, path.join for safe paths, and how to find the current file with __dirname or import.meta.url.
·8 min read · #nodejs#beginners#filesystem
Node.js Modules: CommonJS vs ES Modules
A practical comparison of CommonJS and ES Modules in Node — require vs import, module.exports vs export, the type field in package.json, and the interop traps to avoid.
·8 min read · #nodejs#beginners#modules
npm and package.json Explained
A practical tour of npm and package.json — npm init, dependencies vs devDependencies, scripts, the lockfile, semver basics, and the difference between npm install and npx.
·8 min read · #nodejs#beginners#npm
What Is Node.js? JavaScript Outside the Browser
A clear introduction to Node.js — the V8 engine, the event loop, non-blocking I/O, the npm ecosystem, and when Node is the right runtime for your project.
·9 min read · #nodejs#javascript#beginners