feat(obs): golden-signal metrics on /metrics + Prometheus scrape + Grafana dashboard (S-16c, refs #124)
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Wire OTel metrics into the four remaining .NET services (acl, domain, event-subscriber,
projection-api) exactly as the BFF: ASP.NET Core + HttpClient instrumentation + the built-in
System.Runtime meter, exposed at /metrics via the Prometheus AspNetCore exporter (ADR-0024).
Prometheus scrapes one job per service; Grafana ships a pre-built 'Request path — golden
signals' dashboard (traffic/errors/latency/saturation). A verify-metrics CI step proves the
endpoints are scraped end to end.
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2026-07-24 10:06:34 +02:00
parent 965782dd95
commit 4ac2c3ff6c
19 changed files with 375 additions and 10 deletions
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@@ -1,4 +1,4 @@
# Grafana with datasources baked in via provisioning (S-16a, ADR-0023).
# Dashboards (S-16c, #124) are added under provisioning/dashboards later.
# Grafana with datasources + the golden-signals dashboard baked in via provisioning
# (S-16a/S-16c, ADR-0023). Everything under provisioning/ is copied in below.
FROM grafana/grafana:11.3.0
COPY provisioning/ /etc/grafana/provisioning/