Summary

• CloudFormation can be used to create Infrastructure-as-Code (IaC).
• AWS does not charge you for using the CloudFormation service.
• AWS CFTs describes all AWS resources and their properties in JSON or YAML format.
• You can either upload a CloudFormation template created locally or you can point to an S3 URL to create a CloudFormation stack.
• Executing a CFT creates a defined set of AWS resources. A group of these AWS resources defined in CloudFormation is called a stack.
• While creating a CloudFormation stack, if the template path is pointing to the local machine, then it will automatically upload the CloudFormation template to the AWS S3 bucket in the relevant region.
• CloudFormation automatically identifies the resource dependencies and creates them sequentially.
• Generally, it is recommended that you write a template for each layer of architecture, that is, the web layer and...