Create SES Bounce rate alarm

.infrastructure/65_ses.tf

@@ -14,3 +14,22 @@ module "ses_developer_pagopa_it" {
   ses_group_name = "DevPortalSES"
   user_name      = "DevPortal"
 }
+
+# Alarms
+
+## Bounce rate alarm
+module "metric_alarm" {
+  source = "git::https://github.com/terraform-aws-modules/terraform-aws-cloudwatch.git//modules/metric-alarm?ref=0b4aa2b9aa19060205965a938de89a7bf0ff477b" # v5.1.0
+
+  alarm_name        = "DevPortal | Website | SES | Bounce Rate"
+  alarm_description = "Alarm to monitor the bounce rate"
+  metric_name       = "Bounce"
+  namespace         = "AWS/SES"
+
+  comparison_operator = "GreaterThanOrEqualToThreshold"
+  threshold           = "0.05" # 5%
+  statistic           = "Average"
+  period              = 300 # 5 minutes
+  evaluation_periods  = 1
+
+}