gistfile1.txt

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description" : "Phase1",
    "Parameters" : {
        "KeyPair" : {
            "Description" : "The EC2 Key Pair to allow SSH access to the instance",       
            "Type" : "String"
        },
        "Version" : {
            "Description" : "The version of the app that was deployed",
            "Type" : "String"
        }
    },
    "Resources" : {
        "Ec2Instance" : {
            "Type" : "AWS::EC2::Instance",
            "Properties" : {
                "KeyName" : { "Ref" : "KeyPair" },
                "ImageId" : "ami-339ca947"
            }
        }
    },
    "Outputs" : {
        "InstanceId" : {
             "Description" : "The InstanceId of the newly created EC2 instance",
             "Value" : { "Ref" : "Ec2Instance" }
         },
        "Version" : {
             "Description" : "The version of the app that was deployed",
             "Value" : { "Ref" : "Version" }
        }
    }

}