Pinger - a simple tool that you can run on Heroku that will ping a bunch of sites on your behalf

Gemfile

source 'http://rubygems.org'

gem "httparty"

Gemfile.lock

GEM
  remote: http://rubygems.org/
  specs:
    httparty (0.11.0)
      multi_json (~> 1.0)
      multi_xml (>= 0.5.2)
    multi_json (1.8.1)
    multi_xml (0.5.5)

PLATFORMS
  ruby

DEPENDENCIES
  httparty

pinger.rb

require 'rubygems'
require 'bundler/setup'
require 'httparty'

SITES_TO_PING = [
  'http://google.com'
]

SITES_TO_PING.each do |site|
  HTTParty.get site
  p "successfully pinged site #{site}"
end

Procfile

scheduler: bundle exec ruby pinger.rb -p $PORT