Structure of a Rails app

app/
   controllers/
   models/
   helpers/
   views/

config/
   environments/
   database.yml
   routes.rb

db/
  schema.rb
  migrations/

doc/
lib/
  tasks/
log/
  development.log
  production.log

public/
  index.html
  images/
  javascripts/
  stylesheets/

script/
test/
tmp/
vendor/
   plugins/