{
    "Description": "This stack automates the creation of an EC2 Elastic IP\nand associates it to an EC2 instance\n",
    "Parameters": {
        "LatestAmiId": {
            "Description": "Region specific image from the Parameter Store",
            "Type": "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>",
            "Default": "/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2"
        },
        "Subnet": {
            "Description": "The subnet to put the instance into",
            "Type": "AWS::EC2::Subnet::Id"
        }
    },
    "Resources": {
        "IamRole": {
            "Type": "AWS::IAM::Role",
            "Properties": {
                "AssumeRolePolicyDocument": {
                    "Statement": [
                        {
                            "Effect": "Allow",
                            "Principal": {
                                "Service": [
                                    "ec2.amazonaws.com"
                                ]
                            },
                            "Actions": [
                                "sts:AssumeRole"
                            ]
                        }
                    ]
                },
                "Path": "/"
            }
        },
        "IamProfile": {
            "Type": "AWS::IAM::InstanceProfile",
            "Properties": {
                "Roles": [
                    {
                        "Ref": "IamRole"
                    }
                ],
                "Path": "/"
            }
        },
        "Instance": {
            "Type": "AWS::EC2::Instance",
            "Properties": {
                "ImageId": {
                    "Ref": "LatestAmiId"
                },
                "SubnetId": {
                    "Ref": "Subnet"
                },
                "Monitoring": true,
                "IamInstanceProfile": {
                    "Ref": "IamProfile"
                },
                "EbsOptimized": true
            }
        },
        "Eip": {
            "Type": "AWS::EC2::EIP",
            "Properties": {
                "InstanceId": {
                    "Ref": "Instance"
                }
            }
        }
    }
}