Prometheus

Use it when

• collect time-series metrics from services and infrastructure
• define operational alerts from measurable counters, gauges, and histograms

What it solves

Not the fit when

• not intended for high-cardinality logs or arbitrary event storage

Install

docker run -p 9090:9090 prom/prometheus

Invoke

Configure scrape targets, expose application metrics, then query PromQL and define alerts on service behavior.

Alternatives

No reviewed alternatives recorded yet.