Rails Foundation Contributing Member
Ruby on Rails consulting from engineers who work deep in Rails.
Saeloun helps teams modernize Rails applications, improve performance, untangle production issues, and ship product work with a senior Rails and React team in Boston and Pune.
- 599+
- engineering articles
- 2019
- founded in Boston
- Rails
- Foundation member
Latest Rails, React, and engineering articles
Field notes on framework changes, performance, upgrades, testing, and product engineering.
Rails 8 Solid Queue: Database-Backed Background Jobs
Solid Queue is the new default background job backend in Rails 8 that uses the database instead of Redis. Learn how to configure it for production workloads.Rails 8 Solid Cache: Database-Backed Cache Store
Solid Cache is the new default cache store in Rails 8 that uses the database instead of Redis. Learn how to configure it for larger caches at lower costs.Rails 8 SolidCable: Database-Backed WebSockets Guide
SolidCable is the new default ActionCable adapter in Rails 8 that uses the database instead of Redis. Learn how to configure it for real time features.Rails 8.1 Adds Native Markdown Rendering Support
Rails 8.1 introduces native markdown rendering with format.md support in controllers, making it easier to serve AI generated content directly.Migrating from Sprockets to Propshaft in Rails 8
A step-by-step guide to migrate our Rails 7.1 app from Sprockets to Propshaft, covering Bootstrap, jQuery, Select2, and gems without npm packages.
Rails 8 Adds Thruster as the Default HTTP/2 Proxy Server
Rails 8 ships Thruster in the default Docker setup, giving Puma HTTP/2, asset caching, compression, X-Sendfile support, and optional automatic TLS without a separate Nginx layer.Rails Containerization Best Practices
Learn Docker containerization strategies for Rails 8.1 applications with Kamal 2, Docker Scout, security hardening, and production optimization techniques.My Ever-Improving AI Setup for Rails Work With gbrain and gstack
How I use Perplexity, Claude Code, Codex, Conductor, OpenClaw, gbrain, gstack, local LLMs, CodeRabbit, Copilot, browser sessions, evals, audit trails, and GitHub checks for private Rails development, with an Uploadcare rewrite case study.Rails Security Best Practices: A Comprehensive Guide
Rails security best practices for 2026, updated for Rails 8.1.3, authentication generator, rate limiting, Brakeman, credentials, and CI security checks.Rails Authorization Patterns: Pundit, CanCanCan, and Action Policy
A practical Rails authorization guide for 2026 covering Pundit, CanCanCan, Action Policy, tenant scoping, API endpoints, background jobs, IDOR prevention, and tests that catch access-control bugs.