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Implementing the Saga Pattern in Microservices with Node.js: Managing Distributed Transactions

By IT From Zero October 14, 2026

A comprehensive guide to the Saga pattern architecture in microservices using Node.js. Master distributed transaction orchestration, idempotency, and resilient compensating workflows in production.

Database

Mastering Drizzle ORM with TypeScript and PostgreSQL: Type-Safe, Ultra-Lightweight, and High-Performance

By IT From Zero October 9, 2026

A practical guide to Drizzle ORM with TypeScript and PostgreSQL: designing type-safe schemas, configuring migrations with Drizzle Kit, and optimizing query performance.

Security

3 Pro GraphQL Security Tips: Don’t Hand Hackers the Keys to Your Kingdom

By IT From Zero September 23, 2026

Securing GraphQL isn't hard if you know these 3 techniques: Disabling Introspection, limiting Query Depth, and applying Rate Limiting at the Resolver level. Check out the detailed guide with code samples here.

Development

Effect TS: Professional Error Management and Concurrency in TypeScript

By IT From Zero August 26, 2026

Effect TS tackles TypeScript's untyped error and complex concurrency problems by encoding errors directly into the type signature. This article compares different approaches, analyzes when Effect is the right fit, and walks through practical implementation with real-world examples.

Linux

Managing Node.js, Python, and Go with asdf-vm: Goodbye Version Manager Mess

By IT From Zero August 8, 2026

Manage Node.js, Python, Go, and many other languages with just a single asdf-vm tool on Linux. The perfect alternative to nvm, pyenv, and rbenv.

Fedora

Installing Node.js and PM2 on Fedora Server: Deploying JavaScript Applications in Production with SELinux and firewalld

By IT From Zero July 19, 2026

A step-by-step guide to installing Node.js and PM2 on Fedora Server and properly handling SELinux and firewalld to deploy JavaScript applications in production. Covers SELinux port labeling, network connect boolean, PM2 cluster mode, and systemd integration.

Development

Secure Webhooks in Node.js: HMAC-SHA256 Verification and Proper Retry Handling

By IT From Zero July 18, 2026

An unauthenticated webhook is an easy target for forged requests — this article covers how to protect a Node.js endpoint with HMAC-SHA256, handle idempotency to prevent duplicate processing on retries, and implement exponential backoff when calling downstream services. Includes complete working code and curl commands to test immediately.

MySQL

Connecting MySQL in Node.js with mysql2: Connection Pooling, Prepared Statements, and Transactions

By IT From Zero July 9, 2026

A guide to connecting MySQL in Node.js with the mysql2 library the right way, avoiding the common mistakes junior developers make. Learn how to use Connection Pooling for performance optimization, Prepared Statements to block SQL Injection, and Transactions to ensure data integrity when operating across multiple tables simultaneously.

Monitoring

How to Install and Configure Grafana Beyla: Automatic Application Monitoring Without Code Changes Using eBPF for Go, Python, and Node.js

By IT From Zero July 7, 2026

Grafana Beyla uses eBPF to automatically collect metrics and traces from Go, Python, and Node.js applications — no code changes, no SDK installation required. This post walks through installing and configuring Beyla, and shares real-world results after 6 months running on production with Prometheus + Grafana.

Database

MongoDB Change Streams in Node.js: Real-Time Data Change Tracking

By IT From Zero June 18, 2026

MongoDB Change Streams let your Node.js application listen for data changes in real time instead of polling. This article covers practical implementation, resume token handling, and safe reconnect strategies for production environments.