Ruby on Rails Upgrades That Don't Break Your Business
Zero-downtime migrations from legacy Rails versions to modern, secure, high-performance applications. Trusted by startups, enterprises, and everything in between.
What you get
- Upgrade plan: Ruby X→Y, Rails A→B; gem audit and shim strategy
- Dual-boot enabled; green path proven in staging with traffic replay
- Zero-downtime migrations via strong_migrations / gh-ost / pt-osc; backout path
- CI/CD hardening: matrix builds (old/new), contract tests, flaky-test quarantine
- Observability pack: pre/post p95, p99, error budgets, Slow Query log reports
- Performance fixes: N+1 elimination; index strategy, partitioning; cache keys
- Security hardening: Brakeman, bundler-audit/Snyk, CSP/HSTS, CSRF, session store, key rotation
- Cost controls: puma worker math, pgbouncer, env-specific pool sizes, object store offload
- Cutover runbook: canary %, health gates, 'abort switch,' rollback <10 min
- Post-go-live hypercare (2-4 weeks) with SLO watch
Outcomes
- Same-day cutovers with dual-boot and safe migrations (no freeze)
- Zero critical CVEs at release; dependency policy enforced in CI
- p95 down ≥ 30% on named hot paths; error rate not worse
- Deploy frequency ≥ daily with automatic canary and rollback
- Infra and DB cost reduced 20-40% with YJIT, caching, pool tuning
Proof points
- All tests passing in both Rails versions
- CVE count → 0 at release; SBOM generated
- p95 latency improved ≥30% on defined endpoints
- Rollback proven <10 minutes; blue-green cutover report