A company will migrate a Dockerized application that uses an NFSv4 file share. The architect must design a secure, scalable container solution that removes the need to provision or manage underlying infrastructure. Which option meets these requirements?
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Correct answer: Run the containers using Amazon ECS on Fargate and use Amazon EFS for the shared file storage. Reference the EFS file system ID, container mount point, and EFS authorization IAM role in the ECS task definition..
Why this is the answer
The correct option meets all requirements: "secure, scalable container solution that removes the need to provision or manage underlying infrastructure." Amazon ECS on Fargate provides a serverless compute engine, eliminating infrastructure management. Amazon EFS is a scalable, fully managed NFSv4-compatible file system that integrates directly with Fargate tasks. Referencing the EFS file system ID and IAM role in the task definition ensures secure access. Amazon FSx for Lustre is optimized for high-performance computing and is not typically used for general-purpose containerized applications requiring NFSv4. ECS on EC2 requires managing EC2 instances, failing the "remove the need to provision or manage underlying infrastructure" requirement. Amazon EBS Multi-Attach is not a shared file system solution for containers across multiple hosts; it provides block storage to multiple EC2 instances in the same Availability Zone.
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