TODO.md

Health Monitoring & Metrics Implementation TODO

Current Progress: Step 5/12 (Health service & controller created)

Steps:

1. ✅ Install prom-client dependency
2. ✅ src/config/monitoring.config.ts
3. ✅ src/services/health.service.ts
4. ✅ src/controllers/health.controller.ts
5. ✅ src/middleware/metrics.middleware.ts
6. ✅ src/config/index.ts
7. Update src/app.ts - Add metrics middleware
8. Update src/routes/index.ts - Route /health and /metrics to controller
9. ✅ Tests updated
10. ✅ Grafana dashboard created
11. ✅ docs/monitoring.md created
12. Test & Verify

Notes:

• Update TODO.md after each major step
• Use prom-client for Prometheus metrics
• Health checks: PostgreSQL (pool.query), Redis (ping), Stellar (ledgers.call), system (uptime/memory)
• Metrics: request rates, durations (p50/95/99), errors, DB/Redis stats