Cheat sheet for creating a new Rails app, adapted from the excellent Rails Guides

Create a new project

$ rails new <project name>

Switch into the correct folder

$ cd <project name>

Get the database up

$ rake db:create

To start the rails server:

$ rails s

Create a controller

$ rails generate controller home index

If you’re using Rails v3.2.13, remove the default home page

$ rm public/index.html

Open config/routes.rb and uncomment the root url route

root :to => "home#index"

Scaffold a resource

$ rails generate scaffold <Model_Name> column_name:data_type column_name:data_type 

Run another migration

$ rake db:migrate