AWS CloudFormation is a service that enables users to model, provision, and manage AWS and third-party resources in a secure and automated manner. By defining infrastructure as code through JSON or YAML templates, CloudFormation allows for consistent and repeatable deployment of resources, facilitating efficient management of complex infrastructures. Key Features and Functionality: - Infrastructure as Code: Define and provision AWS resources using JSON or YAML templates, enabling version control and repeatable deployments. - Resource Management: Manage a wide range of AWS services, including EC2 instances, S3 buckets, and Lambda functions, through a single template. - Automation and Consistency: Automate the provisioning and updating of infrastructure, ensuring consistency across multiple environments. - Scalability: Scale infrastructure globally and manage resources across multiple AWS accounts and regions through a single operation. - Extensibility: Extend infrastructure management to include third-party resources and custom applications using the AWS CloudFormation Registry. - Safety Controls: Utilize features like Rollback Triggers and Change Sets to monitor and manage stack operations, enhancing the reliability of deployments. Primary Value and Problem Solved: AWS CloudFormation simplifies the process of managing and provisioning cloud infrastructure by treating it as code. This approach reduces manual intervention, minimizes errors, and ensures consistent deployments across various environments. By automating resource management, CloudFormation accelerates the development and deployment cycles, allowing organizations to focus on building applications rather than managing infrastructure.