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docs: document observability stack in DEPLOYMENT.md and CLAUDE.md (#581) #605

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marcel merged 8 commits from feat/issue-581-obs-docs into main 2026-05-16 11:32:19 +02:00
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@@ -109,6 +109,7 @@ All vars are set in `.env` at the repo root (copy from `.env.example`). The back
| `SPRING_PROFILES_ACTIVE` | Spring profile | `dev,e2e` (compose) | YES | — |
| `OTEL_EXPORTER_OTLP_ENDPOINT` | OTLP gRPC endpoint for distributed traces (Tempo). Set to `http://tempo:4317` via compose. | `http://localhost:4317` | — | — |
| `MANAGEMENT_TRACING_SAMPLING_PROBABILITY` | Micrometer tracing sample rate; overridden to `0.0` in test profile. | `0.1` (compose) / `1.0` (dev) | — | — |
| `SENTRY_DSN` | GlitchTip / Sentry DSN for backend error reporting. Leave empty to disable the SDK. Set after GlitchTip first-run (§4). | — | — | YES |
### PostgreSQL container
@@ -373,9 +374,9 @@ Current services:
| `obs-loki` | `grafana/loki:3.4.2` | Log aggregation — receives log streams from Promtail. Port 3100 is `expose`-only (not host-bound). |
| `obs-promtail` | `grafana/promtail:3.4.2` | Log shipping agent — reads all Docker container logs via the Docker socket and forwards them to Loki with `container_name`, `compose_service`, and `compose_project` labels |
| `obs-tempo` | `grafana/tempo:2.7.2` | Distributed trace storage — OTLP gRPC receiver on port 4317, OTLP HTTP on port 4318 (both `archiv-net`-internal). Grafana queries traces on port 3200 (`obs-net`-internal). All ports are `expose`-only (not host-bound). |
| `obs-grafana` | `grafana/grafana-oss:11.6.1` | Unified observability UI — metrics dashboards, log exploration, trace viewer. Bound to `127.0.0.1:${PORT_GRAFANA:-3001}` on the host. |
| `obs-glitchtip` | `glitchtip/glitchtip:v4` | Sentry-compatible error tracker. Receives frontend + backend error events, groups by fingerprint, provides issue UI with stack traces. Bound to `127.0.0.1:${PORT_GLITCHTIP:-3002}`. |
| `obs-glitchtip-worker` | `glitchtip/glitchtip:v4` | Celery + beat worker — processes async GlitchTip tasks (event ingestion, notifications, cleanup). |
| `obs-grafana` | `grafana/grafana-oss:11.6.1` | Unified observability UI — metrics dashboards, log exploration, trace viewer. Bound to `127.0.0.1:${PORT_GRAFANA:-3003}` on the host. |
| `obs-glitchtip` | `glitchtip/glitchtip:6.1.6` | Sentry-compatible error tracker. Receives frontend + backend error events, groups by fingerprint, provides issue UI with stack traces. Bound to `127.0.0.1:${PORT_GLITCHTIP:-3002}`. |
| `obs-glitchtip-worker` | `glitchtip/glitchtip:6.1.6` | Celery + beat worker — processes async GlitchTip tasks (event ingestion, notifications, cleanup). |
| `obs-redis` | `redis:7-alpine` | Celery task broker for GlitchTip. Internal to `obs-net`; no host port exposed. |
| `obs-glitchtip-db-init` | `postgres:16-alpine` | One-shot init container. Creates the `glitchtip` database on the existing `archive-db` PostgreSQL instance if it does not already exist. Runs at stack startup; exits cleanly once done. |