Adding resource health alert

terraform/resource_health_alerts.tf

@@ -0,0 +1,19 @@
+resource "azurerm_monitor_activity_log_alert" "rg_resource_health" {
+  name = "portal-core - ${var.environment} - ${azurerm_resource_group.rg.name} - resource health"
+
+  resource_group_name = azurerm_resource_group.rg.name
+  location            = "global"
+
+  scopes      = [azurerm_resource_group.rg.id]
+  description = "Resource health alert for ${azurerm_resource_group.rg.name} resource group"
+
+  criteria {
+    category = "ResourceHealth"
+
+    resource_health {
+      previous = "Available"
+    }
+  }
+
+  tags = var.tags
+}