Invoke your AWS lambda/SNS every minutes

By create 5 Cloudwatch Event rules like this, you can invoke AWS lambda or SNS every minute.

$ aws events put-rule --schedule-expression 'cron(0/5 * * * ? *)' --name Rule0
$ aws events put-rule --schedule-expression 'cron(1/5 * * * ? *)' --name Rule1
$ aws events put-rule --schedule-expression 'cron(2/5 * * * ? *)' --name Rule2
$ aws events put-rule --schedule-expression 'cron(3/5 * * * ? *)' --name Rule3
$ aws events put-rule --schedule-expression 'cron(4/5 * * * ? *)' --name Rule4