5. Lessons for Template
hooks related commands of one gem or plugin
groups hooked commands into functional sets
files one set in one template
writes scaffold generation template for
project
combines templates for each project
6. Start the Engine
script/generate plugin <your-plugin>
cd vendor/plugins/<your-plugin>
mkdir app config db
move codes to your plugin
7. Issues in Rails 2.3 Gem
App routes.rb not loaded when both engine
and inflections present
Allow ActionMailer to use view_paths from
plugins
Improve view performance in development
and reinstate template reloading in
production
rake rails:freeze:edge
Rake tasks for run engine migrations