hiyorime

app.rb

require 'sinatra'
require 'json'

get '/' do
  redirect to('/random')
end

get '/random' do
  erb '<img src="http://image.slidesharecdn.com/newyear2016agilediv-160106005903/95/2016-22-638.jpg">'
end

get '/random.jpg' do
  content_type :jpg
  send_file './hiyoranai.jpg', content_type: 'image/jpeg', filename: 'hiyoranai.jpg'
end

get '/random.json' do
  content_type :json

  {hiyori: "http://image.slidesharecdn.com/newyear2016agilediv-160106005903/95/2016-22-638.jpg"}.to_json
end

Gemfile

source 'https://rubygems.org'

gem 'sinatra'

Gemfile.lock

GEM
  remote: https://rubygems.org/
  specs:
    rack (1.6.4)
    rack-protection (1.5.3)
      rack
    sinatra (1.4.7)
      rack (~> 1.5)
      rack-protection (~> 1.4)
      tilt (>= 1.3, < 3)
    tilt (2.0.2)

PLATFORMS
  ruby

DEPENDENCIES
  sinatra

BUNDLED WITH
   1.11.2

hiyoranai.jpg

Procfile

web: bundle exec ruby app.rb -p $PORT