{
  "ImageId": "ami-936d9d93",
  "InstanceType": "c3.xlarge",
  "KeyName": "yourkey",
  "BlockDeviceMappings": [
    {
      "VirtualName": "ephemeral0",
      "DeviceName": "/dev/sdb"
    },
    {
      "VirtualName": "ephemeral1",
      "DeviceName": "/dev/sdc"
    },
    {
      "DeviceName": "/dev/sda1",
      "Ebs": {
        "VolumeSize": 80,
        "VolumeType": "gp2",
        "DeleteOnTermination": true
      }
    }
  ],
  "AssociatePublicIpAddress": true,
  "EbsOptimized": false,
  "SecurityGroups": [
    "sg-your"
  ],
  "InstanceMonitoring": {
    "Enabled": false
  }
}