Sample configuration gist

config.yml

database:
    adapter: mysql2
    host: x.y.com
    database: whatever
    username: something
    password: something else

simpleworker:
    access_key: mykey
    secret_key: secret

loader.rb

require 'open-uri'
@private_config = YAML.load_file('config/private.yml')
if @private_config['yml_url']
  @private_config = YAML.load(open(@private_config['yml_url']))
end
p @private_config

private.yml

yml_url: https://raw.github.com/gist/1070883/config.yml