Amazon Lightsail now supports AWS CloudFormation for instances, disks and databases

Amazon Lightsail now supports AWS CloudFormation, allowing you to utilize CloudFormation templates to provision and manage your application stacks comprised of Lightsail instances, disks or databases. You can also easily automate and replicate your stacks as needed. This adds a new convenient way of managing Lightsail resources in addition to the Lightsail Console and AWS CLI/SDK.

Source:: Amazon AWS