AWS CLI S3 sync command removes the ACL
aws s3 sync origin dest
doeas not preserve the ACL, so if the bucket il public, it will be not accessible after a sync. To keep it public, run aws s3 sync --acl public-read origin dest
aws s3 sync origin dest
doeas not preserve the ACL, so if the bucket il public, it will be not accessible after a sync. To keep it public, run aws s3 sync --acl public-read origin dest