Paperclip CTO
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3d541d818a
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feat(TRA-249): M5 observability, SLOs, backup, and release readiness
- Add prometheus-client to base requirements; sentry-sdk to prod
- api/metrics.py: define HTTP latency histogram, request/error counters, in-flight gauge
- api/middleware.py: extend SecurityAuditMiddleware to observe all four Prometheus collectors per request; low-cardinality path_template label via URL resolver
- api/views.py: /metrics/ endpoint (gated by METRICS_ENABLED setting)
- api/urls.py: wire /metrics/ route
- config/settings/prod.py: METRICS_ENABLED flag; optional Sentry SDK init via SENTRY_DSN env var
- ops/prometheus/alerts.yml: Prometheus alert rules for p95 latency SLO (≤500 ms), error rate SLO (<1%), availability, and saturation
- ops/prometheus/prometheus.yml: scrape config for app + blackbox healthcheck probe
- ops/scripts/backup.sh: pg_dump → S3 STANDARD_IA with retention metadata
- ops/scripts/restore.sh: pg_restore from S3 or local file with interactive confirmation guard
- ops/scripts/synthetic-check.sh: post-deploy smoke test (healthz, metrics gate, schema, 404 shape)
- docs/TRA-249-observability-slos.md: SLO table, PromQL reference queries, alert routing
- docs/TRA-249-backup-restore.md: RPO/RTO targets, drill procedure, restore validation steps
- docs/TRA-249-release-checklist.md: pre/post-deploy checklist
- docs/TRA-249-rollback-runbook.md: decision matrix, app rollback, migration revert, DB restore path
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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2026-05-07 09:14:18 +02:00 |
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Paperclip CTO
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8054c1e1e4
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feat(TRA-233): Django M1 foundation scaffold
- Environment-split settings: base/local/test/prod with django-environ
- Postgres + Redis + Celery wiring (broker, beat, result backend)
- All 9 domain app stubs: accounts, courses, cms, tracking, quizzes,
training, certificates, reports, notifications
- api app: /healthz/ endpoint, custom DRF exception handler,
SecurityAuditMiddleware, permissions/throttle/upload-validation stubs
- DRF global baseline: JWT+session auth, closed-by-default permissions,
cursor/page pagination, drf-spectacular schema generation
- Dockerfile (multi-env build arg), docker-compose.yml (local),
docker-compose.test.yml (CI-friendly tmpfs Postgres)
- pytest.ini with smoke + settings marker definitions
- tests/test_smoke.py: startup, URL resolution, healthcheck shape
- tests/test_settings_matrix.py: per-profile security assertions
- .github/workflows/ci.yml: test, lint, schema CI jobs
- .env.example with all required vars documented
- .gitignore
Co-Authored-By: Paperclip <noreply@paperclip.ing>
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2026-05-07 09:11:23 +02:00 |
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