# EcsFargateLaunchTarget

Configuration for running an ECS task on Fargate.

Extends: EcsFargateLaunchTarget
Implements: IEcsLaunchTarget

- Source: [`aws-stepfunctions-tasks/lib/ecs/run-task.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0/packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/ecs/run-task.ts#L258)
- Type last changed: v2.196.0 · 16 May 2025

## Example

```ts
const vpc = ec2.Vpc.fromLookup(this, 'Vpc', {
  isDefault: true,
});

const cluster = new ecs.Cluster(this, 'FargateCluster', { vpc });

const taskDefinition = new ecs.TaskDefinition(this, 'TD', {
  memoryMiB: '512',
  cpu: '256',
  compatibility: ecs.Compatibility.FARGATE,
});

const containerDefinition = taskDefinition.addContainer('TheContainer', {
  image: ecs.ContainerImage.fromRegistry('foo/bar'),
  memoryLimitMiB: 256,
});

const runTask = new tasks.EcsRunTask(this, 'RunFargate', {
  integrationPattern: sfn.IntegrationPattern.RUN_JOB,
  cluster,
  taskDefinition,
  assignPublicIp: true,
  containerOverrides: [{
    containerDefinition,
    environment: [{ name: 'SOME_KEY', value: sfn.JsonPath.stringAt('$.SomeKey') }],
  }],
  launchTarget: new tasks.EcsFargateLaunchTarget(),
  propagatedTagSource: ecs.PropagatedTagSource.TASK_DEFINITION,
});
```

## Initializer

```ts
new EcsFargateLaunchTarget(options?: EcsFargateLaunchTargetOptions)
```

## Methods

- `bind(task: EcsRunTask, launchTargetOptions: LaunchTargetBindOptions): EcsLaunchTargetConfig` — Called when the Fargate launch type configured on RunTask.