NetworkMultipleTargetGroupsFargateServiceProps Struct

The properties for the NetworkMultipleTargetGroupsFargateService service.

Source: aws-ecs-patterns/lib/fargate/network-multiple-target-groups-fargate-service.ts
Type last changed: v2.199.0 · 27 May 2025

Example

// Two network load balancers, each with their own listener and target group.
declare const cluster: ecs.Cluster;
const loadBalancedFargateService = new ecsPatterns.NetworkMultipleTargetGroupsFargateService(this, 'Service', {
  cluster,
  memoryLimitMiB: 512,
  taskImageOptions: {
    image: ecs.ContainerImage.fromRegistry("amazon/amazon-ecs-sample"),
  },
  loadBalancers: [
    {
      name: 'lb1',
      listeners: [
        {
          name: 'listener1',
        },
      ],
    },
    {
      name: 'lb2',
      listeners: [
        {
          name: 'listener2',
        },
      ],
    },
  ],
  targetGroups: [
    {
      containerPort: 80,
      listener: 'listener1',
    },
    {
      containerPort: 90,
      listener: 'listener2',
    },
  ],
  minHealthyPercent: 100,
  maxHealthyPercent: 200,
});

Properties

assignPublicIpoptionalbooleanassign_public_ipoptionalboolassignPublicIpoptionalBooleanAssignPublicIpoptionalboolAssignPublicIpoptional*bool= false#

Determines whether the service will be assigned a public IP address.

circuitBreakeroptionalDeploymentCircuitBreakercircuit_breakeroptionalDeploymentCircuitBreakercircuitBreakeroptionalDeploymentCircuitBreakerCircuitBreakeroptionalDeploymentCircuitBreakerCircuitBreakeroptionalDeploymentCircuitBreaker= disabled#

Whether to enable the deployment circuit breaker.

If this property is defined, circuit breaker will be implicitly enabled.

cloudMapOptionsoptionalCloudMapOptionscloud_map_optionsoptionalCloudMapOptionscloudMapOptionsoptionalCloudMapOptionsCloudMapOptionsoptionalCloudMapOptionsCloudMapOptionsoptionalCloudMapOptions#

The options for configuring an Amazon ECS service to use service discovery.

Default: AWS Cloud Map service discovery is not enabled.

clusteroptionalIClusterclusteroptionalIClusterclusteroptionalIClusterClusteroptionalIClusterClusteroptionalICluster#

The name of the cluster that hosts the service.

Default: create a new cluster; if both cluster and vpc are omitted, a new VPC will be created for you.

If a cluster is specified, the vpc construct should be omitted. Alternatively, you can omit both cluster and vpc.

cpuoptionalnumbercpuoptionalint | floatcpuoptionalNumberCpuoptionaldoubleCpuoptional*float64= 256#

The number of cpu units used by the task.

notes

Valid values, which determines your range of valid values for the memory parameter:

256 (.25 vCPU) - Available memory values: 0.5GB, 1GB, 2GB

512 (.5 vCPU) - Available memory values: 1GB, 2GB, 3GB, 4GB

1024 (1 vCPU) - Available memory values: 2GB, 3GB, 4GB, 5GB, 6GB, 7GB, 8GB

2048 (2 vCPU) - Available memory values: Between 4GB and 16GB in 1GB increments

4096 (4 vCPU) - Available memory values: Between 8GB and 30GB in 1GB increments

8192 (8 vCPU) - Available memory values: Between 16GB and 60GB in 4GB increments

16384 (16 vCPU) - Available memory values: Between 32GB and 120GB in 8GB increments

This default is set in the underlying FargateTaskDefinition construct.

desiredCountoptionalnumberdesired_countoptionalint | floatdesiredCountoptionalNumberDesiredCountoptionaldoubleDesiredCountoptional*float64#

The desired number of instantiations of the task definition to keep running on the service.

Default: The default is 1 for all new services and uses the existing service's desired count when updating an existing service.

The minimum value is 1

enableECSManagedTagsoptionalbooleanenable_ecs_managed_tagsoptionalboolenableECSManagedTagsoptionalBooleanEnableECSManagedTagsoptionalboolEnableECSManagedTagsoptional*bool= false#

Specifies whether to enable Amazon ECS managed tags for the tasks within the service.

For more information, see Tagging Your Amazon ECS Resources

enableExecuteCommandoptionalbooleanenable_execute_commandoptionalboolenableExecuteCommandoptionalBooleanEnableExecuteCommandoptionalboolEnableExecuteCommandoptional*bool= false#

Whether ECS Exec should be enabled.

ephemeralStorageGiBoptionalnumberephemeral_storage_gi_boptionalint | floatephemeralStorageGiBoptionalNumberEphemeralStorageGiBoptionaldoubleEphemeralStorageGiBoptional*float64#

The amount (in GiB) of ephemeral storage to be allocated to the task.

Default: Undefined, in which case, the task will receive 20GiB ephemeral storage.

The minimum supported value is 21 GiB and the maximum supported value is 200 GiB.

Only supported in Fargate platform version 1.4.0 or later.

healthCheckGracePeriodoptionalDurationhealth_check_grace_periodoptionalDurationhealthCheckGracePeriodoptionalDurationHealthCheckGracePeriodoptionalDurationHealthCheckGracePeriodoptionalDuration#

The period of time, in seconds, that the Amazon ECS service scheduler ignores unhealthy Elastic Load Balancing target health checks after a task has first started.

Default: defaults to 60 seconds if at least one load balancer is in-use and it is not already set

loadBalancersoptionalNetworkLoadBalancerProps[]load_balancersoptionaltyping.List[NetworkLoadBalancerProps]loadBalancersoptionalList<NetworkLoadBalancerProps>LoadBalancersoptionalNetworkLoadBalancerProps[]LoadBalancersoptional*[]NetworkLoadBalancerProps#

The network load balancer that will serve traffic to the service.

Default: a new load balancer with a listener will be created.

maxHealthyPercentoptionalnumbermax_healthy_percentoptionalint | floatmaxHealthyPercentoptionalNumberMaxHealthyPercentoptionaldoubleMaxHealthyPercentoptional*float64= 200%#

The maximum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that can run in a service during a deployment.

memoryLimitMiBoptionalnumbermemory_limit_mi_boptionalint | floatmemoryLimitMiBoptionalNumberMemoryLimitMiBoptionaldoubleMemoryLimitMiBoptional*float64= 512#

The amount (in MiB) of memory used by the task.

notes

This field is required and you must use one of the following values, which determines your range of valid values for the cpu parameter:

512 (0.5 GB), 1024 (1 GB), 2048 (2 GB) - Available cpu values: 256 (.25 vCPU)

1024 (1 GB), 2048 (2 GB), 3072 (3 GB), 4096 (4 GB) - Available cpu values: 512 (.5 vCPU)

2048 (2 GB), 3072 (3 GB), 4096 (4 GB), 5120 (5 GB), 6144 (6 GB), 7168 (7 GB), 8192 (8 GB) - Available cpu values: 1024 (1 vCPU)

Between 4096 (4 GB) and 16384 (16 GB) in increments of 1024 (1 GB) - Available cpu values: 2048 (2 vCPU)

Between 8192 (8 GB) and 30720 (30 GB) in increments of 1024 (1 GB) - Available cpu values: 4096 (4 vCPU)

Between 16384 (16 GB) and 61440 (60 GB) in increments of 4096 (4 GB) - Available cpu values: 8192 (8 vCPU)

Between 32768 (32 GB) and 122880 (120 GB) in increments of 8192 (8 GB) - Available cpu values: 16384 (16 vCPU)

This default is set in the underlying FargateTaskDefinition construct.

minHealthyPercentoptionalnumbermin_healthy_percentoptionalint | floatminHealthyPercentoptionalNumberMinHealthyPercentoptionaldoubleMinHealthyPercentoptional*float64= 50%#

The minimum number of tasks, specified as a percentage of the Amazon ECS service's DesiredCount value, that must continue to run and remain healthy during a deployment.

platformVersionoptionalFargatePlatformVersionplatform_versionoptionalFargatePlatformVersionplatformVersionoptionalFargatePlatformVersionPlatformVersionoptionalFargatePlatformVersionPlatformVersionoptionalFargatePlatformVersion= Latest#

The platform version on which to run your service.

notes

If one is not specified, the LATEST platform version is used by default. For more information, see AWS Fargate Platform Versions in the Amazon Elastic Container Service Developer Guide.

propagateTagsoptionalPropagatedTagSourcepropagate_tagsoptionalPropagatedTagSourcepropagateTagsoptionalPropagatedTagSourcePropagateTagsoptionalPropagatedTagSourcePropagateTagsoptionalPropagatedTagSource= none#

Specifies whether to propagate the tags from the task definition or the service to the tasks in the service.

Tags can only be propagated to the tasks within the service during service creation.

runtimePlatformoptionalRuntimePlatformruntime_platformoptionalRuntimePlatformruntimePlatformoptionalRuntimePlatformRuntimePlatformoptionalRuntimePlatformRuntimePlatformoptionalRuntimePlatform#

The runtime platform of the task definition.

Default: If the property is undefined, operatingSystemFamily is LINUX and cpuArchitecture is X86_64

serviceNameoptionalstringservice_nameoptionalstrserviceNameoptionalStringServiceNameoptionalstringServiceNameoptional*string#

Name of the service.

Default: CloudFormation-generated name.

targetGroupsoptionalNetworkTargetProps[]target_groupsoptionaltyping.List[NetworkTargetProps]targetGroupsoptionalList<NetworkTargetProps>TargetGroupsoptionalNetworkTargetProps[]TargetGroupsoptional*[]NetworkTargetProps#

Properties to specify NLB target groups.

Default: default portMapping registered as target group and attached to the first defined listener

taskDefinitionoptionalFargateTaskDefinitiontask_definitionoptionalFargateTaskDefinitiontaskDefinitionoptionalFargateTaskDefinitionTaskDefinitionoptionalFargateTaskDefinitionTaskDefinitionoptionalFargateTaskDefinition= none#

The task definition to use for tasks in the service. TaskDefinition or TaskImageOptions must be specified, but not both.

[disable-awslint:ref-via-interface]

taskImageOptionsoptionalNetworkLoadBalancedTaskImagePropstask_image_optionsoptionalNetworkLoadBalancedTaskImagePropstaskImageOptionsoptionalNetworkLoadBalancedTaskImagePropsTaskImageOptionsoptionalNetworkLoadBalancedTaskImagePropsTaskImageOptionsoptionalNetworkLoadBalancedTaskImageProps= none#

The properties required to create a new task definition.

Only one of TaskDefinition or TaskImageOptions must be specified.

vpcoptionalIVpcvpcoptionalIVpcvpcoptionalIVpcVpcoptionalIVpcVpcoptionalIVpc#

The VPC where the container instances will be launched or the elastic network interfaces (ENIs) will be deployed.

Default: uses the VPC defined in the cluster or creates a new VPC.

If a vpc is specified, the cluster construct should be omitted. Alternatively, you can omit both vpc and cluster.

NetworkMultipleTargetGroupsFargateServiceProps Struct ​

Example ​

Properties ​

NetworkMultipleTargetGroupsFargateServiceProps Struct

Example

Properties