const vpc   = new Vpc(this, 'Vpc', {});
    const cluster = Cluster.fromClusterAttributes(this, 'Cluster', {
      clusterName: 'my-cluster',
      vpc,
      securityGroups: [],
      autoscalingGroup: new AutoScalingGroup(this, 'Asg', {
        vpc,
        instanceType: InstanceType.of(InstanceClass.A1, InstanceSize.MICRO),
        machineImage: MachineImage.latestAmazonLinux2(),
      }),
    });
    cluster.autoscalingGroup!.addUserData('yum install -y aws-cli');