But it still means a downtime of your service is a downtime for anything which might need a docker container, whereas if it went to S3 (or cloudfront in front o

But it still means a downtime of your service is a downtime for anything which might need a docker container, whereas if it went to S3 (or cloudfront in front of S3) directly, you profit from the many nines that S3 offers without paying an arm and a leg for ECR (data in ECR costs five times as much as S3 standard tier).