Nodejs Archives - Page 2 of 2 - ITFROMZERO

Monitoring tutorial - IT technology blog

Monitoring Node.js Applications with prom-client: Request Rate, Latency, and Custom Business Metrics in Real Time

By IT From Zero June 17, 2026

A guide to integrating prom-client into a Node.js Express app to expose HTTP metrics for Prometheus and Grafana, covering request rate, P95 latency, error rate, and custom business metrics. Compares monitoring approaches and walks through each step from installation to dashboard creation.

Development

Building Efficient RESTful APIs with Node.js and Express: Design, Authentication, and Versioning

By IT From Zero April 7, 2026

After 6 months running a Node.js/Express API in production, this post distills what actually matters: structuring routes properly for REST, validating input with Joi, JWT authentication, and managing versioning so you never have to break existing clients.

Security

REST API Security: Don’t Let Your System Crash Due to Basic Mistakes

By IT From Zero April 6, 2026

Don't let your API be a gateway for hackers. Learn how to properly implement JWT, RBAC, and Data Validation to protect your entire system.

Ubuntu

How to Install Node.js and npm on Ubuntu (2024 Guide)

By IT From Zero March 9, 2026

Looking for a professional way to install Node.js and npm on Ubuntu? This article provides a detailed guide on 3 methods: NVM, NodeSource PPA, and the default repository, and also shows you how to use PM2 to manage your applications.

Docker

Deploying Node.js with Docker: Tips & Tricks from Real-World Experience

By IT From Zero March 1, 2026

Real-world experience deploying Node.js apps with Docker the right way: avoiding bloated images, handling graceful shutdown, managing environment variables securely, and configuring health checks for production.