Rack::Cache in Rails 5 – Blog of software writer Chee YeoRack::Cache is a middleware which acts as a proxy cache between your client and the app. Initial requests are sent directly to the app, which then gets cached by the proxy. Subsequent requests go only to the proxy and bypass the app completely. It is used to cache assets that don’t change often but can also be used to cache http responses. Setting up caching in Rails 5. You need to have gem rack-c
