backend · framework

Rails

3 production projects and 1 rule set built with Rails.

Production projects

Billing & Metering Engine Classic Lago Usage-event ingestion and pricing-expression evaluation are pulled out of the Rails request/response cycle into a dedicated Go service and a shared Rust library, so billing-critical event throughput scales independently of the API that serves the dashboard and public API.
Customer Support Suite Hybrid Chatwoot Keeping the Vue dashboard inside the Rails asset pipeline via vite_rails and running realtime updates over Action Cable lets Chatwoot ship one deployable Rails app instead of coordinating a separate frontend and websocket service, while Sidekiq and OpenSearch handle background work and search.
Personal Finance AI-agent Maybe A Rails 7.2 monolith with Hotwire (Turbo and Stimulus) and ViewComponent avoids a separate frontend build, while PostgreSQL plus Redis-backed Sidekiq handle storage and background account-sync jobs; the project is now archived, reflecting its final v0.6.0 architecture.

Often used with Rails

Every rule ships as files

AGENTS.md rules and agent skills with Rails

rails-postgres-redis/AGENTS.mdRuby on Rails + PostgreSQL + Redis + SidekiqProduction guidelines for Ruby on Rails monoliths, ActiveRecord pool tuning, Redis Sidekiq background jobs, and modern Hotwire or React UI architecture. intermediate

Questions about Rails

How many production projects use Rails?

3 verified production projects in the STACK IT FAST directory use Rails, each with a full architecture breakdown.

What is Rails most often used with?

Across projects in the directory, Rails is most commonly paired with PostgreSQL, Redis, Docker.

Is there an AGENTS.md rule or Claude Code skill for Rails?

Yes — Ruby on Rails + PostgreSQL + Redis + Sidekiq includes a full AGENTS.md, CLAUDE.md, Cursor .mdc rule set and an installable SKILL.md covering Rails.