Building a Complete Monitoring Stack with Prometheus and Grafana using Docker

Monitoring your infrastructure shouldn't be complicated. In this guide, I'll show you how to spin up a complete monitoring solution with Prometheus and Grafana in just a few commands using Docker Compose. What You'll Get By the end of this tutorial, you'll have: Prometheus for metrics collection and storage Grafana for beautiful dashboards and visualization Node Exporter for system metrics (CPU, memory, disk) Nginx with its own exporter for web server monitoring Everything containerized and easy to manage Prerequisites You'll need: Docker and Docker Compose installed Basic understanding of containers 5 minutes of your time Architecture Overview Our stack consists of 5 services working together: ┌─────────────┐ │ Grafana │ (Port 3000) │ Dashboard │ └──────┬──────┘ │ Queries ↓ ┌─────────────┐ ┌──────────────┐ │ Prometheus │◄─────┤ Node Exporter│ (System Metrics) │ (Port │ └──────────────┘ │ 9090) │ └──────┬──────┘ ┌──────────────┐ └─────────────┤Nginx Exporter│ (Web Metrics) └──────┬────