{
   "Type" : "AWS::AutoScaling::LaunchConfiguration",
   "Properties" : {
      "KeyName" : { "Ref" : "KeyName" },
      "ImageId" : {
         "Fn::FindInMap" : [
            "AWSRegionArch2AMI",
            { "Ref" : "AWS::Region" },
            {
               "Fn::FindInMap" : [
                  "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch"
               ]
            }
         ]
      },
      "SecurityGroups" : [ { "Ref" : "InstanceSecurityGroup" } ],
      "SpotPrice" :  "0.05",
      "InstanceType" : { "Ref" : "InstanceType" }
   }
}