{

"Parameters": {
  "AdminAPIScalingGroupMinSizeVar": {"Type": "Number", "MinValue": "0", "Default": "0"},
  "AdminAPIScalingGroupMaxSizeVar": {"Type": "Number", "MinValue": "1", "Default": "1"}
},


"Resources": {

"AdminAPIScalingGroup": {
  "Type": "AWS::AutoScaling::AutoScalingGroup",
  "DependsOn": "PrivateRouteThroughBastionBox",

  "UpdatePolicy": {
    "AutoScalingRollingUpdate": {
      "MinInstancesInService": {"Ref": "AdminAPIScalingGroupMinSizeVar"},
      "MaxBatchSize": "1",
      "PauseTime": "PT0S"
    }
  },

  "Properties": {
    "AvailabilityZones": [{"Fn::GetAtt": ["PrivateSubnet", "AvailabilityZone"]}],
    "VPCZoneIdentifier": [{"Ref": "PrivateSubnet"}],
    "LaunchConfigurationName": {"Ref": "BackendLaunchConfiguration"},

    "MinSize": {"Ref": "AdminAPIScalingGroupMinSizeVar"},
    "MaxSize": {"Ref": "AdminAPIScalingGroupMaxSizeVar"},
    "DesiredCapacity": {"Ref": "AdminAPIScalingGroupMinSizeVar"},

    "HealthCheckType": "ELB",
    "HealthCheckGracePeriod": "6000",
    "LoadBalancerNames": [
      {"Ref": "AdminAPILoadBalancer"}
    ],

    "TerminationPolicies": ["OldestLaunchConfiguration", "OldestInstance"],

    "MetricsCollection": [{
      "Granularity": "1Minute",
      "Metrics": ["GroupMinSize", "GroupMaxSize"]
    }]
  }
}

}

}