rails autoload /lib folder

application.rb

require_relative 'boot'

require "rails"

require "active_model/railtie"
require "active_job/railtie"
require "active_record/railtie"
require "active_storage/engine"
require "action_controller/railtie"
require "action_mailer/railtie"
require "action_mailbox/engine"
require "action_text/engine"
require "action_view/railtie"
require "action_cable/engine"
# require "sprockets/railtie"
require "rails/test_unit/railtie"


Bundler.require(*Rails.groups)

module CookieMonster
  class Application < Rails::Application
    config.load_defaults 6.0
    config.autoload_paths += %W( lib/ )
    config.api_only = true
    config.middleware.use ActionDispatch::Cookies
  end
end