Production-Ready Monitoring Stack – Prometheus + Grafana + Loki + Tempo + Alloy + Alerts (What I Actually Deploy)
DevOps · 2026-01-06 · 42 min · Barthez Kenwou
No more blind spots in production. Here's exactly the observability stack I install on all my environments in 2026: Prometheus for metrics, Loki for logs, Tempo for traces, Grafana as the single pane of glass, Grafana Alloy as unified agent, and Alertmanager for smart alerts. Fully expanded 2026 edition - cardinality finally explained in depth (the number-one trap that silently blows up a Prometheus bill), the multi-window multi-burn-rate alerting Google actually uses, a dedicated section on configuration scenarios based on circumstances (exploding cardinality, alert fatigue, Datadog migration, PII in logs), complete Helm/Alloy/Terraform configs, dashboards, and a real case where we went from "we don't know what's happening" to incident detection in under 3 minutes.
Tags : Observability, Prometheus, Grafana, Loki, Tempo, Alloy, LGTM, Alerting, Kubernetes, DevOps
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