trails/openspec/changes/observability/tasks.md
Ullrich Schäfer 7d20dbb12f
Add observability and security-hardening proposals, gitignore settings.local
Two new OpenSpec changes:
- observability (30 tasks): health endpoints, Prometheus, Grafana+Loki,
  structured logging, dashboards, alerting
- security-hardening (24 tasks): Caddy headers, scanner blocking,
  gitleaks, pnpm audit, dependabot, non-root Docker, fail2ban

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-25 09:48:08 +01:00

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## 1. Health Endpoints
- [ ] 1.1 Add `/health` API route to Journal — checks DB with a simple query, returns status JSON
- [ ] 1.2 Add `/health` endpoint to Planner server.ts — checks DB connectivity
- [ ] 1.3 Update Docker healthcheck in docker-compose.yml to use `/health` instead of `pg_isready`
- [ ] 1.4 Add health routes to route configs (journal routes.ts)
## 2. Structured Logging
- [ ] 2.1 Add `pino` dependency to both apps
- [ ] 2.2 Create `apps/journal/app/lib/logger.server.ts` — Pino instance, JSON in prod, pretty in dev
- [ ] 2.3 Create `apps/planner/app/lib/logger.server.ts` — same pattern
- [ ] 2.4 Replace key `console.log`/`console.error` calls with logger (auth, DB errors, session lifecycle)
- [ ] 2.5 Add request logging middleware to Planner server.ts (method, path, status, duration)
## 3. Prometheus Metrics
- [ ] 3.1 Add `prom-client` dependency to both apps
- [ ] 3.2 Create metrics utility for Journal — default metrics + http_request_duration_seconds histogram
- [ ] 3.3 Create metrics utility for Planner — default metrics + http histogram + planner_active_sessions + planner_connected_clients gauges + brouter_request_duration_seconds histogram
- [ ] 3.4 Add `/metrics` endpoint to Journal (API route)
- [ ] 3.5 Add `/metrics` endpoint to Planner server.ts
- [ ] 3.6 Wire request duration tracking into request handlers
## 4. Caddy Access Logs
- [ ] 4.1 Enable Caddy structured JSON access logging in Caddyfile (log directive)
## 5. Monitoring Stack (Docker Compose)
- [ ] 5.1 Add Prometheus container to docker-compose.yml with scrape config for journal:3000 and planner:3001
- [ ] 5.2 Add Loki container to docker-compose.yml with Docker logging driver config
- [ ] 5.3 Add Grafana container to docker-compose.yml with provisioned data sources (Prometheus + Loki)
- [ ] 5.4 Create `infrastructure/prometheus/prometheus.yml` — scrape config
- [ ] 5.5 Create `infrastructure/loki/loki-config.yml` — retention, storage
- [ ] 5.6 Create `infrastructure/grafana/provisioning/` — data sources + dashboard provider config
- [ ] 5.7 Expose Grafana via Caddy on grafana.trails.cool with basic auth
## 6. Dashboards
- [ ] 6.1 Create overview dashboard JSON — request rate, error rate, latency p50/p95/p99
- [ ] 6.2 Create planner dashboard JSON — active sessions, connected clients, BRouter latency
- [ ] 6.3 Create infrastructure dashboard JSON — node_exporter or cAdvisor metrics (CPU, memory, disk)
## 7. Alerting
- [ ] 7.1 Configure Grafana alert rule: disk usage > 80%
- [ ] 7.2 Configure Grafana alert rule: app health check failing for 2 min
- [ ] 7.3 Configure Grafana alert rule: error rate > 5% for 5 min
- [ ] 7.4 Set up alert notification channel (email or webhook)
## 8. DNS & Terraform
- [ ] 8.1 Add grafana.trails.cool DNS record
- [ ] 8.2 Add Grafana basic auth credentials to deploy secrets
## 9. Verify
- [ ] 9.1 Test /health endpoints locally — verify OK and degraded responses
- [ ] 9.2 Test /metrics endpoints — verify Prometheus format output
- [ ] 9.3 Test Grafana dashboards load with data after deploy
- [ ] 9.4 Test alert fires when simulating disk full condition