Building Reusable Components with Ruby Rack: A Practical Guide to

Why Use Ruby Rack? To implement middleware in a Rails app, create a new class in the app/middleware directory. The class should implement the call method, which takes the env parameter representing the current request environment. The call method should return an HTTP... To implement middleware in a Rails app, create a new class in the app/middleware directory. The class should implement the call method, which takes the env parameter representing the current request environment. The call method should return an HTTP response. .