As your Rails application grows and begins integrating with external platforms—think Stripe, Shopify, or GitHub—handling incoming webhooks efficiently becomes critical.
It’s easy to spin up a quick controller action, parse some JSON, and update a database record. But what happens when an external service suddenly floods your server with thousands of concurrent requests? Or worse, what if your third-party provider experiences network instability and drops connection mid-flight?
If your webhook endpoint performs heavy database writes, executes API callbacks, or sends emails synchronously, you are asking for trouble. Today, we will build a resilient, decoupled, and production-ready webhook ingestion system using Rails 7/8, Solid Queue (or Sidekiq), and database-backed idling.
The Blueprint: Decouple Fast, Process Later
The absolute golden rule of webhooks is: Acknowledge receipt immediately, handle processing asynchronously. Your endpoint should do exactly three things:
