gistfile1.rb

["http://internal/", "http://external/"].each do |server|
  uri = URI.parse(server)
  God.watch do |w|
    w.name = "httpmon_#{uri.host}"
    w.interval = 10.seconds
    w.start = "echo 'start'"
    w.stop = "echo 'stop'"

    w.lifecycle do |on|
      on.condition(:http_response_code) do |c|
        c.host = uri.host
        c.path = uri.path
        c.port = uri.port
        c.code_is_not = 500
        c.notify = 'dev'
      end
    end
  end
end