Amazon ECS on AWS Fargate supports extensible ephemeral storage for Windows Tasks

Amazon Elastic Container Service (Amazon ECS) on AWS Fargate now lets you configure the size of ephemeral storage up to a maximum of 200GiB for your Windows containers. With this launch, you can now configure ephemeral storage for your Fargate tasks running on both Linux (platform 1.4.0 and above) and Windows (platform 1.0.0 and above). 

Source:: Amazon AWS