纯Ruby项目的目录布局

project_name/
  |-- app/
  |    |-- assets/
  |    |    |-- images/
  |    |    |-- javascripts/
  |    |    |-- stylesheets/
  |    |-- controllers/
  |    |-- helpers/
  |    |-- mailers/
  |    |-- models/
  |    |-- views/
  |-- config/
  |    |-- application.rb
  |    |-- boot.rb
  |    |-- database.yml
  |    |-- environment.rb
  |    |-- environments/
  |    |    |-- development.rb
  |    |    |-- production.rb
  |    |    |-- test.rb
  |-- db/
  |    |-- migrate/
  |    |-- schema.rb
  |-- lib/
  |    |-- tasks/
  |-- log/
  |    |-- development.log
  |    |-- production.log
  |    |-- test.log
  |-- public/
  |    |-- 404.html
  |    |-- 422.html
  |    |-- 500.html
  |    |-- assets/
  |-- script/
  |    |-- console
  |    |-- dbconsole
  |    |-- destroy
  |    |-- generate
  |    |-- runner
  |    |-- server
  |-- test/
  |    |-- controllers/
  |    |-- fixtures/
  |    |-- helpers/
  |    |-- integration/
  |    |-- mailers/
  |    |-- models/
  |    |-- test_helper.rb
  |-- tmp/
  |    |-- cache/
  |    |-- pids/
  |    |-- sessions/
  |    |-- sockets/
  |-- vendor/
  |    |-- assets/
  |    |-- plugins/
  |-- .gitignore
  |-- Gemfile
  |-- Gemfile.lock
  |-- README.md
  |-- Rakefile
  |-- config.ru