It’s easy as pie to push a demo version of your rails app to heroku. Follow the simple steps below and you’ll be on your way to testing in a subdomain of herokuapp.com.

You can also point your dns to heroku and have a live app with a few commands!

• Make sure that you have a heroku account and have downloaded the heroku toolbelt
• Login to Heroku

heroku login

• Add Heroku To Your App

heroku keys:add
heroku create

• Add gem for asset precompiling

# For heroku,
gem 'rails_12factor',  group: :production

• Install Gems and Push to Github
• Push from Github to Heroku

git push heroku master
heroku open

# Optional
heroku rename "your-app-name"

• Migrate Your Database

heroku run rake db:migrate

• To Debug

heroku logs --tail

# For a set number (500 for example)
heroku logs --num 500

• For a uniquie domain

heroku domains:add "name-of-full-url.com"
heroku domains:add "www.name-of-full-url.com"