Essential CloudFormation topics
As we look to make repeatable pieces of infrastructure that can be built with automation, having the correct Infrastructure as Code (IaC) tool allows for the implementation of these repeatable processes. It is these repeatable processes where the CloudFormation service comes into play. CloudFormation is IaC that can be checked into source control systems such as CodeCommit or GitHub. The fact that it is a piece of code allows it to be versioned and collaborated on with multiple team members. It can also be added to an automated build pipeline as part of a CI/CD process.
CloudFormation templates have the flexibility to be built in either the JSON or YAML programming languages. Using YAML allows you to put comments and use short codes in your template. However, you do need to stick to the strict YAML formatting guidelines.
Once you have created a template, especially one with the proper mappings and without hardcoded references, then it has the...
