job "webapp" {
  ...
  group "demo" {
    ...
    scaling {
      ...
      policy {
        check "business hours" {
          source = "prometheus"

          strategy "cron" {
            count = 2
            period_business = "* * 9-17 * * mon-fri * -> 5"
            period_weekend = "* * * * * sat,sun * -> 1"
          }
        }
      }
    }
  }
}