Which AWS service provides the ability to manage infrastructure as code?

Explanations:

AWS CodePipeline is a service for automating the build, test, and release processes, not for managing infrastructure as code.

AWS CodeDeploy is used for deploying applications to compute services, not for managing infrastructure.

AWS Direct Connect provides a dedicated network connection to AWS but does not deal with infrastructure as code.

AWS CloudFormation enables users to define and manage infrastructure as code, allowing for the provisioning of AWS resources using templates.