Prometheus 101

Welcome to the Prometheus 101 series! This comprehensive guide covers everything you need to know about implementing Prometheus monitoring in your TypeScript applications, from basic concepts to production-ready implementations.

What You'll Learn

This series is designed to take you from Prometheus basics to production monitoring, with practical examples using TypeScript and Node.js applications.

Series Contents

Foundation

1. Introduction to Prometheus - Why Prometheus matters and when to use it

2. Understanding Metrics and Data Model - Time series, metric types, and labels

3. Prometheus Architecture - Components and how they work together

Implementation

1. Instrumenting TypeScript Applications - Practical instrumentation with prom-client

2. PromQL Basics - Query language fundamentals

3. Prometheus Configuration - Setting up and configuring Prometheus

Advanced Topics

1. Alerting with Prometheus - Creating meaningful alerts

2. Visualization with Grafana - Building effective dashboards

3. Prometheus Best Practices - Lessons learned from production

Prerequisites

• Basic understanding of TypeScript/Node.js

• Familiarity with REST APIs

• Understanding of basic monitoring concepts

Why This Series?

These articles are based on real-world experience implementing Prometheus monitoring in production TypeScript applications. You'll find practical examples, actual problems solved, and lessons learned from running Prometheus in production environments.

No fake scenarios—just real knowledge and working code.