Padrino + Unicorn + Split

config.ru

#!/usr/bin/env rackup
# encoding: utf-8

# This file can be used to start Padrino,
# just execute it from the command line.

require File.expand_path("../config/boot.rb", __FILE__)

run Rack::URLMap.new \
  "/"       => Padrino.application,
  "/split" => Split::Dashboard.new

Gemfile

...
# Project requirements
gem 'rake'
gem 'foreman'
gem 'unicorn'
...
gem 'split', :require => 'split/dashboard'
...

Procfile

web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb

unicorn.rb

#config/unicorn.rb

worker_processes 3
timeout 30
preload_app true