add UpdateReplacePolicy Retain to DNS zones

Author: tj

platform/lambda/stack/resources/resources.go

@@ -109,8 +109,9 @@ func dnsZone(c *Config, m Map, domain string) interface{} {
 
 	// new zone
 	m[id] = Map{
-		"Type":           "AWS::Route53::HostedZone",
-		"DeletionPolicy": "Retain",
+		"Type":                "AWS::Route53::HostedZone",
+		"DeletionPolicy":      "Retain",
+		"UpdateReplacePolicy": "Retain",
 		"Properties": Map{
 			"Name": domain,
 		},

platform/lambda/stack/resources/resources_test.go

@@ -462,7 +462,8 @@ func Example_stageDNSZone() {
 	//   "Properties": {
 	//     "Name": "up-example.com"
 	//   },
-	//   "Type": "AWS::Route53::HostedZone"
+	//   "Type": "AWS::Route53::HostedZone",
+	//   "UpdateReplacePolicy": "Retain"
 	// }
 }
 
@@ -527,7 +528,8 @@ func Example_dnsZone() {
 	//   "Properties": {
 	//     "Name": "up-example.com"
 	//   },
-	//   "Type": "AWS::Route53::HostedZone"
+	//   "Type": "AWS::Route53::HostedZone",
+	//   "UpdateReplacePolicy": "Retain"
 	// }
 }