"Parameters":{
    "Environment": {
      "Description" : "Gives the environment of the instance e.g. dev ",
      "Type": "String",
      "Default": "dev"
    },
    "DesiredCapacity": {
      "Type": "Number",
      "Default" : "1",
      "Description": "Number of instances to launch in your ECS cluster"
    },
    "MinSize": {
      "Type": "Number",
      "Default" : "1",
      "Description": "Min number of instances that can be launched in your ECS cluster"
    },
    "MaxSize": {
      "Type": "Number",
      "Default" : "1",
      "Description": "Maximum number of instances that can be launched in your ECS cluster"
    },
    "ImageId": {
      "Description": "Provides the unique ID of the Amazon Machine Image (AMI)",
      "Type": "AWS::EC2::Image::Id",
      "Default": "some-awesome-ami-id"
    }
  }