Prometheus

hard
Monitoring

Time-series database and monitoring system for metrics collection.

2 GB RAM min Active development
GitHub Docs Website

Pros

  • Industry standard for metrics
  • Powerful query language
  • Huge exporter ecosystem
  • Reliable and battle-tested

Cons

  • Complex to scale
  • No built-in dashboards
  • PromQL learning curve
  • Storage can grow quickly

Tags

monitoringmetricstime-seriesalerting

Pairs nice with

Commonly used together in self-hosted setups.

Grafana

hard

Industry-standard observability platform for metrics visualization and alerting.

1 GB RAM

Uptime Kuma

easy

Easy-to-use monitoring tool for tracking uptime of websites and services.

0.25 GB RAM

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