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

By admin 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.

Monitoring

How to Install and Configure Thanos to Scale Prometheus: Long-Term Metrics Storage and Global View Across Multiple Clusters

By admin May 29, 2026

Thanos extends Prometheus with long-term metrics storage on S3/MinIO and a global view across multiple clusters in a single dashboard. A step-by-step setup guide using Docker Compose and Kubernetes, with practical operational tips.

Monitoring

Node Exporter: Collecting Linux System Metrics for Prometheus

By admin April 8, 2026

Node Exporter is an essential component of the Prometheus stack, responsible for collecting CPU, RAM, disk, and network metrics from Linux systems. This guide walks through installation, collector configuration, and verifying that Node Exporter is working correctly before connecting it to Prometheus.