Logging mongoid in Sinatra

database.rb

# encoding: utf-8
require 'mongoid'
# Connection.new takes host, port
host = 'localhost'
port = Mongo::Connection::DEFAULT_PORT

database_name = case ENV['RACK_ENV'].to_sym
  when :development then 'varena'
  when :production  then 'varena'
  when :test        then 'varena_test'
end

Mongoid.configure do |config|
  config.master = Mongo::Connection.new(host, port, logger: Logger.new($stdout)).db(database_name)
  config.raise_not_found_error = false
end

Rakefile

desc "Irb with DB environment loaded"
task :console do
  require './config/database'
  require "irb"
  ARGV.clear
  IRB.start
end