Sinatra + Heroku

Sinatra + Heroku
(0..Website.new).count <30.minutes
By Jeremy Woertink

Sinatra? Like Frank?
Yeah, that guy
Light-weight Web Framework
Rack application
Ruby gem
Heroku and Github dudes

Example please!
# intro.rb
require'rubygems'
require'sinatra'
get '/'do
'LV Ruby Group FTW!'
end
# Run this with ruby intro.rb

Not Convinced Yet?

# gangsta.rb
['rubygems','sinatra', 'haml'].each { |_gem| require _gem }
set :public, 'public'
configure { SEO_DEFAULTS = { :title => 'Sinatra Fun' } }
get '/'do
@languages = ['Ruby', 'Erlang', 'NodeJS', 'brainfuck']
haml :index
end
get '/language/:name'do
@language = "#{params[:name].capitalize} is Sweet!"
haml :language
end
__END__
@@layout
!!! 5
%html
%head
%title= SEO_DEFAULTS[:title]
%link{:href => '/styles.css', :rel => 'stylesheet'}
%body
#content
= yield
@@index
%h2 Language Fun!
%ul
- @languages.each do |lang|
%li
%a{:href=>"/language/#{lang.downcase}"}=lang
@@language
%h2= @language
%a{:href => '/'} Go Back!

Put that in your pipe and smoke it!

Awesome! How do I get it?
$ gem install sinatra
Run your app with
$ ruby gangsta.rb

Time!
(Not his oku)
Awesome Ruby hosting
Easy setup & Deploy
Scalable Cloud Platform
Lowest account is FREE!!!!
Ruby gem
interfaced with git
Purchased by Salesforce for $212M
bullet points rock

Getting Started on Heroku
Visit: http://heroku.com/
Sign up
Install gem
Create App
Deploy

Gem for hosting?
HELL YEAH GEM FOR HOSTING!
$ gem install heroku
(Be sure you have git installed already)

LET'S DO THIS!
Things we need to make these two make love
sinatra gem
heroku gem
bundler gem
haml gem (not required)
git
using rackup

WHOA! wait... rackup?
yes..... rackup...

# config.ru
require'rubygems'
begin
require'bundler'
Bundler.require
require'./app'
run Sinatra::Application
rescueLoadError => err
warn "Where's bundler? #{err}"
end

# Gemfile
source "http://rubygems.org"
gem "bundler"
gem "sinatra"
gem "heroku"
gem "haml"

File Checklist
SampleApp/app.rb
SampleApp/config.ru
SampleApp/Gemfile
SampleApp/views/layout.haml
SampleApp/views/index.haml
SampleApp/views/language.haml
SampleApp/public/styles.css

What's next?

$ bundle install
$ git init
$ git add .
$ git commit -avm "first commit"
$ rackup
$ heroku create
$ git push heroku master
<- App should run on localhost:9292

BAM!
How do you like them apples?!
Questions?

Sinatra + Heroku

by lvrubygroup

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http://www.hanrss.com	3
http://viniciusfaria-eventex.herokuapp.com	3