lib/gds_api/railtie.rb
require_relative 'middleware/govuk_request_id_sniffer' module GdsApi class Railtie < Rails::Railtie initializer "gds_api.initialize_govuk_request_id_sniffer" do |app| Rails.logger.info "Using middleware GdsApi::GovukRequestIdSniffer to sniff for GOVUK-Request-Id header" app.middleware.use GdsApi::GovukRequestIdSniffer end end end