armcknight / sinatra-hello-world

A simple Hello, World! server app using Sinatra.

sinatra-hello-world

A simple “Hello world!” Sinatra app that works with rbenv.

Create from scratch

# create the Sinatra source
echo "require 'sinatra'
get '/' do
  'Hello world!'
end" > api.rb

# declare dependencies  
echo "source 'https://rubygems.org'
gem 'sinatra'
gem 'unicorn'
gem 'json'" > Gemfile   
  
# install and package dependencies
rbenv exec bundle package --path=vendor/bundle

# create a Procfile and config.ru for Heroku
echo "web: bundle exec unicorn --port \$PORT
local: rbenv exec bundle exec unicorn --port \$PORT" > Procfile

echo "require './api'
run Sinatra::Application" > config.ru

Deployment

Local

rbenv exec bundle exec ruby api.rb &
open http://localhost:4567

Locally with Heroku

heroku local local &
open http://0.0.0.0:5000

Remote

Heroku

heroku create # make sure your ‘heroku’ git remote points to the correct app's git url, like if there was a previous one
git push heroku master
heroku open

References

• Sinatra getting started guide
• Heroku Sinatra-iOS guide

Note: References preserved as PDFs in docs/.

Contribute

Issues and pull requests are welcome!

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