AWS CloudFormation Documentation
AWS CloudFormation enables you to create and provision AWS infrastructure deployments predictably and repeatedly. It helps you leverage AWS products such as Amazon Elastic Compute Cloud (Amazon EC2), Amazon Elastic Block Store, Amazon Simple Notification Service (Amazon SNS), Elastic Load Balancing, and Auto Scaling to build highly reliable, highly scalable, cost-effective applications without worrying about creating and configuring the underlying AWS infrastructure. AWS CloudFormation enables you to use a template file to create and delete a collection of resources together as a single unit (a stack).
Provides a conceptual overview of AWS CloudFormation and includes instructions on using the various features with the command line interface.
Describes all the API operations for AWS CloudFormation in detail. Also provides sample requests, responses, and errors for the supported web services protocols.
CLI Quick Reference Card
Briefly covers the essential commands for using AWS CloudFormation from the command line.
API Quick Reference Card
Briefly covers the essential actions for using the service from code.