The CloudFormation template

The AWS CloudFormation template is has the JSON format and explains the infrastructure. The only mandatory section is the Resources section and all others are optional. The template as well as the subsections are enclosed in braces {}. The following is an example of the CloudFormation template:

{
  "AWSTemplateFormatVersion" : "version date",

  "Description" : "JSON string",

  "Metadata" : {
    template metadata
  },

  "Parameters" : {
    set of parameters
  },

  "Mappings" : {
    set of mappings
  },

  "Conditions" : {
    set of conditions
  },

  "Resources" : {
    set of resources
  },

  "Outputs" : {
    set of outputs
  }
}

The AWS template format version

The AWSTemplateFormatVersion section provides the version of OpenStack to which this template conforms to. This value is not mandatory. The version can be different from the API version.

Description

The Description parameter is also optional that specifies the definition of template and the purpose...