How to Set Up CloudFormation Custom Resources

Many examples on this site rely on CloudFormation custom resources. Custom resources allow you to manage resources within CloudFormation even when those type of resources are not supported natively by CloudFormation. I’ve created a number of custom resources that are available on GitHub, and in this brief tutorial, I will show you how to use them. Note: This article is not an in-depth explanation of what custom resources are or how to write your own.