puma.rb

threads 3, 3
workers 2

on_worker_boot do
  require "active_record"
  require "erb"
  cwd = File.dirname(__FILE__)+"/.."
  ActiveRecord::Base.connection.disconnect! rescue ActiveRecord::ConnectionNotEstablished
  configuration = YAML.load(ERB.new(File.read("#{cwd}/config/database.yml")).result)
  ActiveRecord::Base.establish_connection(configuration[ENV["RAILS_ENV"]])
end