RailsのWhenneverでつかうschedule.rbのひな形。

schedule.rb

## 3時間ごと
every 3.hours do
  runner "Task::sample.exec"
end
 
## 4:30に実行
every :monday, :at => '4:30 am' do
  runner "Task::sample.exec"
end
 
## unix cron type
every '0 0 * * *' do
  runner "Task::sample.exec"
end