# observability

Build a production Prometheus and Grafana monitoring stack from scratch — service discovery, recording rules, alerting, and dashboards.

PromQL cheat sheet with copy-paste query examples for rates, aggregations, histograms, label matching, recording rules, and alerting expressions.

Deploy Grafana Loki and Promtail for cost-effective, scalable log aggregation — without indexing yourself into bankruptcy.

Deploy and configure the OpenTelemetry Collector to unify traces, metrics, and logs into a single pipeline — with production-tested patterns.

Design Prometheus alerting rules that catch real incidents and ignore noise — practical patterns from years of on-call experience.

Build Grafana dashboards that surface real signals instead of decorating walls — a structured approach rooted in SRE principles.

A structured, blameless postmortem process with a ready-to-use template — built from real SRE incident patterns and Google SRE book principles.

A step-by-step guide to implementing SLOs and error budgets using Prometheus — from defining SLIs to building burn-rate alerts.