docs: update readme

aws · May 6, 2024 · 55d81d1 · 55d81d1
1 parent 35f1c0a
commit 55d81d1
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diff --git a/packages/aws-cdk-lib/aws-ecs-patterns/README.md b/packages/aws-cdk-lib/aws-ecs-patterns/README.md
@@ -1088,3 +1088,29 @@ const queueProcessingFargateService = new ecsPatterns.NetworkLoadBalancedFargate
   securityGroups: [securityGroup],
 });
 ```
+
+### Use dualstack NLB
+
+```ts
+// The VPC and subnet must have associated IPv6 CIDR blocks.
+declare const vpc: ec2.Vpc;
+declare const cluster: ecs.Cluster;
+
+const networkLoadbalancedFargateService = new ecsPatterns.NetworkLoadBalancedFargateService(stack, 'NlbFargateService', {
+  cluster,
+  memoryLimitMiB: 1024,
+  taskImageOptions: {
+    image: ecs.ContainerImage.fromRegistry('amazon/amazon-ecs-sample'),
+  },
+  ipAddressType: elbv2.IpAddressType.DUAL_STACK,
+});
+
+const networkLoadbalancedEc2Service = new ecsPatterns.NetworkLoadBalancedEc2Service(stack, 'NlbEc2Service', {
+  cluster,
+  memoryLimitMiB: 1024,
+  taskImageOptions: {
+    image: ecs.ContainerImage.fromRegistry('amazon/amazon-ecs-sample'),
+  },
+  ipAddressType: elbv2.IpAddressType.DUAL_STACK,
+});
+```