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docs(c4): fix Tempo OTLP transport in l2-containers diagram
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Browse Source 
Port 4317 is gRPC; the backend uses HttpExporter (HTTP/1.1) and sends
to port 4318. Update Container description and Rel label to match.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit was merged in pull request #606.
This commit is contained in:
Marcel
2026-05-16 15:44:27 +02:00
parent 7713a03cd5
commit e61409773e
1 changed files with 2 additions and 2 deletions
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4
docs/architecture/c4/l2-containers.puml
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@@ -23,7 +23,7 @@ System_Boundary(observability, "Observability Stack (/opt/familienarchiv/docker-
Container(cadvisor, "cAdvisor", "gcr.io/cadvisor/cadvisor:v0.52.1", "Per-container resource metrics.")
Container(loki, "Loki", "grafana/loki:3.4.2", "Stores log streams from all containers.")
Container(promtail, "Promtail", "grafana/promtail:3.4.2", "Ships Docker container logs to Loki via Docker SD.")
Container(tempo, "Tempo", "grafana/tempo:2.7.2", "Distributed trace storage. OTLP gRPC receiver on port 4317 (archiv-net). Grafana queries traces on port 3200 (obs-net). All ports internal only.")
Container(tempo, "Tempo", "grafana/tempo:2.7.2", "Distributed trace storage. OTLP HTTP receiver on port 4318 (archiv-net). Grafana queries traces on port 3200 (obs-net). All ports internal only.")
Container(grafana, "Grafana", "grafana/grafana-oss:11.6.1", "Unified observability UI — dashboards, logs, traces. Datasources (Prometheus, Loki, Tempo) and three dashboards are auto-provisioned.")
Container(glitchtip, "GlitchTip", "glitchtip/glitchtip:6.1.6", "Sentry-compatible error tracker — web process. Receives frontend + backend error events, groups by fingerprint, provides issue UI with stack traces.")
Container(obs_glitchtip_worker, "GlitchTip Worker", "glitchtip/glitchtip:6.1.6", "Celery + beat worker — async event ingestion, notifications, cleanup.")
@@ -42,7 +42,7 @@ Rel(backend, mail, "Sends notification and password-reset emails (optional)", "S
Rel(ocr, storage, "Fetches PDF via presigned URL", "HTTP / S3 presigned")
Rel(mc, storage, "Bootstraps bucket + service account on startup", "MinIO Client CLI")
Rel(promtail, loki, "Pushes log streams", "HTTP/Loki push API")
Rel(backend, tempo, "Sends distributed traces via OTLP", "gRPC / OTLP / port 4317 (archiv-net)")
Rel(backend, tempo, "Sends distributed traces via OTLP", "HTTP / OTLP / port 4318 (archiv-net)")
Rel(grafana, prometheus, "Queries metrics", "HTTP 9090")
Rel(grafana, loki, "Queries logs", "HTTP 3100")
Rel(grafana, tempo, "Queries traces", "HTTP 3200")