This railtie installs and configures a middleware that helps you manage registries around Rails requests. See RegistryMiddleware for details.
To install into a Rails app, include this line in your config/application.rb:
require 'idregistry/railtie'
It should appear before your application configuration.
You can then configure it using the standard rails configuration mechanism. The configuration lives in the config.idregistry configuration namespace. See IDRegistry::Railtie::Configuration for the configuration options.