Goliath.io with Grape and MongoDB

app.rb

require 'goliath'
require 'em-synchrony'
require 'em-synchrony/em-mongo'
require 'grape'

class API < Grape::API
  
  version 'v1', :using => :path
  format :json
  
  resource 'clients' do

    # http://0.0.0.0:9000/v1/clients/

    get "/" do  
      coll = env.mongo.collection('clients') #Connection Pool from Goliath ENV
      coll.find({})    
    end  
    
  end
end



class App < Goliath::API 
  def response(env)
    API.call(env)    
  end
end

config slash app.rb

#this should live in a file called app.rb inside a directory called 'config'

config['mongo'] = EventMachine::Synchrony::ConnectionPool.new(size: 20) do
  conn = EM::Mongo::Connection.new('localhost', 27017, 1, {:reconnect_in => 1})
  conn.db('db')
end

Gemfile

gem 'mongo'
gem 'em-mongo'
gem 'bson_ext'
gem 'goliath'
gem 'grape'