Grape Congig

gistfile1.rb

# config/initializers/grape.rb

module AppstackGrapeEndpointSetup
    extend ActiveSupport::Concern

    module ClassMethods
      include Rails.application.routes.url_helpers
      def default_url_options
        {host: ::Rails.application.config.action_mailer.default_url_options[:host]}
      end
    end
end

module Grape
  class Endpoint
    include Rails.application.routes.url_helpers
    default_url_options[:host] = ::Rails.application.config.action_mailer.default_url_options[:host]  
  end

  class Entity
    include AppstackGrapeEndpointSetup
  end
end