AWS CloudFormation Custom Resource - Spot (template)

AWS CF Custom Spot lambda - template

{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Resources": {
        "DC": {
            "Type": "Custom::SPOT",
            "Properties": {
                "ServiceToken": "arn:aws:lambda:us-east-1:637921189560:function:cf_spot",
                "params": {
                    "SpotPrice": "0.5",
                    "LaunchSpecification": {
                        "BlockDeviceMappings": [ 
                            {
                                "DeviceName": "/dev/sda1",
                                "Ebs": { "VolumeSize": 60 }
                            }
                        ],
                        "ImageId": "ami-40f0d32a",
                        "InstanceType": "m1.large",
                        "KeyName": "firstkey",
                        "IamInstanceProfile": {
                            "Name": "S3Reader"
                        }
                    }
                }
            }
        }
    },
    "Outputs": {
        "DCPublicDnsName": {
            "Description": "instance running",
            "Value": {
                "Fn::GetAtt": [
                    "DC",
                    "PublicDnsName"
                ]
                
            }
        }
    }
}