Creating a connection pool in Goliath

gistfile1.rb

config['mongo'] = EM::Synchrony::ConnectionPool.new(size:10) do
  begin
    conn = EM::Mongo::Connection.new('localhost', 27017, 1, {:reconnect_in => 1})
    conn.db('mongo_db_name')
  rescue Exception=>err
    abort "An error occurred while creating the mongodb connection pool: #{err}"
  end
end