{
  "computeEnvironmentName": "C4Spot",
  "type": "MANAGED",
  "state": "ENABLED",
  "computeResources": {
    "type": "SPOT",
    "spotIamFleetRole": "arn:aws:iam::<account-id>:role/AmazonEC2SpotFleetRole",
    "minvCpus": 0,
    "maxvCpus": 10,
    "desiredvCpus": 0,
    "instanceTypes": [
      "c4"
    ],
    "bidPercentage": 40,
    "subnets": [
      "subnet-XXXXXXXX"
    ],
    "securityGroupIds": [
      "sg-XXXXXXXX"
    ],
    "ec2KeyPair": "<your-key-pair>",
    "instanceRole": "<your-instance-role>"
  },
  "serviceRole": "arn:aws:iam::<account-id>:role/service-role/AWSBatchServiceRole"
}