Question on building AMIs

EC2 Image Builder is a fully managed AWS service that helps you to automate the creation, management, and deployment of customized, secure, and up-to-date server images. It is the service to use to build AMI Images : https://docs.aws.amazon.com/imagebuilder/latest/userguide/getting-started-image-builder.html

AWS Systems Manager is the operations hub for your AWS applications and resources and a secure end-to-end management solution for hybrid and multicloud environments that enables secure operations at scale.