$ec2->client->runInstances([
            'ImageId' => ‘****',
            'MinCount' => 1,
            'MaxCount' => 1,
            'InstanceType' => $resource->calculate(),
            'UserData' => base64_encode("#!/bin/bash \r\n echo ECS_CLUSTER=convertclustr >> /etc/ecs/ecs.config"),
            'IamInstanceProfile' => [
                'Arn' => ‘*****'
            ],
            'KeyName' => ‘****'
        ])