数据库连接

 

common: &shared
  adapter: mysql
  encoding: utf8
  reconnect: false
  pool: 5
  socket: /var/run/mysqld/mysqld.sock

development:
  database: db_development
  username: username
  password:
  <<: *shared

test:
  database: db_test
  username: username
  password:
  <<: *shared

production:
  database: db_production
  username: username
  password:
  <<: *shared