Infrastructure as Code with CloudFormation

Starting from this section, we will learn how to use a very important AWS tool, CloudFormation. AWS resources mostly have complicated and countless options, and provisioning them manually using AWS Console is not always a good option because this manual process may cause an issue because of a misconfiguration or forgotten option; also, the provisioning process would not be reproducible. Assume that you have to migrate the whole application to another AWS account or you want to remove and create everything from scratch. Creating BASH scripts with AWS CLI commands might be another option, but it would not solve some of the problems mentioned earlier; for example, deleting the whole application or changing some of the configuration in our stack would need refactoring of the BASH script or finding and removing the resources belonging to your...