ActiveRecord DB Setup File

config.rb

require 'sinatra'

env = ENV["RACK_ENV"]

YAML::load(File.open('config/database.yml'))[env].symbolize_keys.each do |key, value|
  set key, value
end

ActiveRecord::Base.establish_connection(
  adapter: "mysql2", 
  host: settings.db_host,
  database: settings.db_name,
  username: settings.db_username,
  password: settings.db_password)