[ECS] [request]: Include SOCI snapshotter in ECS-optimized AMIs

[jamesmt-aws]

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Tell us about your request We'd like to have the soci-snapshotter (https://github.com/awslabs/soci-snapshotter) available by default in the ECS-optimized AMIs (both AL2 and Bottlerocket variants).

Which service(s) is this request for? ECS

Tell us about the problem you're trying to solve. What are you trying to do, and why is it hard? Customers who want to use lazy loading to speed up container image launches currently have to build custom AMIs with soci-snapshotter.

Are you currently working around this issue? How are you currently solving this problem? Currently we can only use soci-snapshotter if we're willing to build a custom AMI.

Additional context Anything else we should know? This won't be possible until ECS/EC2 supports containerd (https://github.com/aws/containers-roadmap/issues/626), and will also be a lot more useful to use once ECR has support for the referrers API (also required for https://github.com/aws/containers-roadmap/issues/43).

Attachments If you think you might have additional information that you'd like to include via an attachment, please do - we'll take a look. (Remember to remove any personally-identifiable information.) https://github.com/awslabs/soci-snapshotter https://aws.amazon.com/about-aws/whats-new/2022/09/introducing-seekable-oci-lazy-loading-container-images/