Grape on Goliath

app.rb

require 'rubygems'
require 'bundler'

Bundler.require

require 'grape'
require 'json'
require 'goliath'

module MyApp
  class API < Grape::API
    format :json
    prefix 'api'
    version 'v1'

    resource :messages do
      post do
        {}
      end

      get do
        {}
      end
    end
  end

  class App < Goliath::API
    use Goliath::Rack::Params
    use Goliath::Rack::Render

    def response(env)
      MyApp::API.call(env)
    end
  end
end

Gemfile

source 'https://rubygems.org'

gem 'grape'
gem 'goliath'
gem 'json'

gistfile1.txt

run with `ruby app.rb`, then go to http://localhost:9000/api/v1/messages