skip DNS setup if no zones exist in Azure resource group (#730)

Author: maciaszczykm

cmd/command/up/up.go

@@ -278,6 +278,11 @@ func askAppDomain(project *manifest.ProjectManifest) error {
 			break
 		}
 
+		// Skip domain setup if no DNS zones exist in the resource group.
+		if len(dnsZones) == 0 {
+			break
+		}
+
 		if err := survey.AskOne(
 			&survey.Select{Message: "Select DNS zone (leave as None to skip):", Options: append([]string{noneOption}, dnsZones...)},
 			&domain,

pkg/provider/azure.go

@@ -484,6 +484,15 @@ func AzureDNSZones(ctx context.Context, resourceGroup string) ([]string, error)
 		return nil, err
 	}
 
+	// If the resource group doesn't exist yet, there are no DNS zones to list.
+	_, err = clients.Groups.Get(ctx, resourceGroup, nil)
+	if err != nil {
+		if isNotFoundResourceGroup(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+
 	var zones []string
 	pager := clients.Zones.NewListByResourceGroupPager(resourceGroup, nil)
 	for pager.More() {