Spinning up a rails app using Heroku in < 5 min

It's really amazing how you can have an app running in production in < 5 minutes using Heroku. Below are the minimal set of required steps to serving a basic static page to Heroku.

Pre-requisites

• Heroku Account
• Heroku CLI
• Rails CLI

Create and and commit the app

rails new app-0 -d postgresql && cd app-0

rails generate controller welcome

touch app/views/welcome/index.html.erb && echo 'Hello World' > app/views/welcome/index.html.erb

Add root 'welcome#index' to the config/routes.rb file 

git add . && git commit -m 'first commit'

Deploy app to Heroku

heroku login

heroku create

git push heroku master

heroku ps:scale web=1

heroku open

Topics:

• GIT
• PostgreSQL
• Rails
• Routing
• Code generation
• Heroku
• create
• ps
• open
• Default Rails Server: WEBrick
• Single threaded server vs multithreaded server