Rate limiting is a common technique used to control the rate of incoming requests to a web application and prevent abuse or overload. Learn how to implement rate limiting in a Ruby on Rails application using middleware and Redis.
Middleware in Rails is a powerful feature that allows you to intercept and modify HTTP requests and responses. Learn how to use middleware in Rails to add custom functionality, enhance performance, and improve security in your web applications.
Serving whole pages from a shared cache breaks Rails forms, because every visitor receives the CSRF token that was rendered for someone else. In this post, we’ll cache public pages with Rack::Cache backed by Redis and look at two ways to keep CSRF tokens working: fetching a fresh token with JavaScript from a small uncached endpoint, and a Rack middleware that injects one on the server.