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Legacy Rails Rescue & Upgrades

Legacy Rails apps don’t have to hold your business back. We specialize in rescuing, upgrading, and modernizing Rails applications to the latest stable versions—ensuring security, performance, and long-term maintainability. With proven success upgrading complex apps from Rails 5 and 6 to 7.2, we help you stay ahead without rewriting your product.

Where Legacy Rails Rescue Helps Immediately

  • Version Upgrades: Smooth migration from Rails 4/5/6 to Rails 7.2+.
  • Security Patches: Remove vulnerabilities by updating outdated gems and dependencies.
  • Performance Rescue: Fix slow queries, memory leaks, and bottlenecks.
  • Feature Unlocks: Enable new Rails 7 features like Hotwire, Propshaft, and improved ActiveStorage.
  • Team Confidence: Cleaner codebase with up-to-date testing and CI/CD pipelines.

Recent Upgrade Projects

  • Rails 5 → Rails 7.2 Upgrade – Migrated a large-scale SaaS platform, handling Paperclip → ActiveStorage, Webpacker → Propshaft, and Ruby 2.7 → 3.3.6 upgrade.
  • Rails 6 → Rails 7.2 Upgrade – Upgraded a production system with 150+ models, modernized CI/CD, and improved performance with query indexing and Redis caching.

What You Get

Designed Outcomes

  • Secure Codebase free from vulnerabilities and deprecated libraries.
  • Modern Rails Features like Turbo, Hotwire, and multiple database support.
  • Improved Developer Velocity with updated testing frameworks and CI/CD.
  • Future-Proof Architecture aligned with Rails 7+ standards.

Implementation Blueprint

  • 01 • Audit: Review dependencies, Ruby version, and deployment stack.
  • 02 • Planning: Create upgrade roadmap with parallel staging environment.
  • 03 • Upgrade Execution: Stepwise upgrades (Rails 5 → 6 → 7.2, if required), gem updates, and deprecation fixes.
  • 04 • Testing: RSpec/Minitest coverage, CI/CD validation, and regression testing.
  • 05 • Deployment: Rollout with monitoring, rollback plan, and developer handover.

Typical Tech Considerations

  • Ruby: Upgrade path (2.7 → 3.0 → 3.3.6) with gem compatibility fixes.
  • Assets: Migrate Webpacker to Propshaft/ESBuild, manage CSS/JS bundling.
  • Files: Paperclip → ActiveStorage migration with S3 integration.
  • Jobs: Sidekiq/Resque tuning with concurrency improvements.
  • Monitoring: Honeybadger/NewRelic + AWS CloudWatch for runtime metrics.

Security & Compliance

  • Resolve CVEs by updating outdated gems and libraries.
  • Audit and sanitize sensitive data handling.
  • Implement secure secrets management via AWS KMS or Vault.

Engagement Models

  • One-Time Upgrade: Fixed-scope engagement for a single Rails version jump.
  • Full Legacy Rescue: Includes code cleanup, test coverage, and CI/CD improvements.
  • Dedicated Upgrade Team: Ongoing support for continuous upgrades and maintenance.

Use-Case Ideas

Rails 5 → 7.2 Upgrade Rails 6 → 7.2 Upgrade Paperclip → ActiveStorage Webpacker → Propshaft Ruby 2.7 → 3.3.6 CI/CD Modernization

FAQs

Do you support multi-step upgrades (e.g., Rails 5 → 6 → 7)?

Yes. We handle sequential upgrades safely, ensuring each step is stable and tested.

What if our test coverage is low?

No problem. We add test coverage where needed to ensure a safe upgrade path.

Will upgrading break our existing features?

We create staging environments, run regression tests, and maintain rollback options for zero-disruption upgrades.

Let’s Modernize Your Legacy Rails App

Running an outdated Rails app? Contact OctaScale to plan a safe, proven upgrade and keep your product future-ready.

Note: With hands-on success upgrading Rails 5 and Rails 6 apps to 7.2, we ensure stability and performance at enterprise scale.