{
  "DBCluster": {
    "Type": "AWS::RDS::DBCluster",
    "Properties": {
      "Engine": "aurora",
      "AvailabilityZones": [
        "us-east-1a",
        "us-east-1d"
      ],
      "BackupRetentionPeriod": 7,
      "DBClusterParameterGroupName": {
        "Ref": "ParameterGroup"
      },
      "DBSubnetGroupName": {
        "Ref": "DBSubnetGroup"
      },
      "DatabaseName": "dbName",
      "EngineVersion": "5.6.10a",
      "KmsKeyId": "arn:aws:kms:us-east-1:012345678910:key/abcd1234-a123-456a-a12b-a123b4cd56ef",
      "MasterUserPassword": "password",
      "MasterUsername": "user",
      "Port": 3306,
      "PreferredBackupWindow": "22:00-22:30",
      "PreferredMaintenanceWindow": "02:00-02:30",
      "StorageEncrypted": "true",
      "Tags": [
        {
          "Key": "Name",
          "Value": "test"
        }
      ],
      "VpcSecurityGroupIds": [
        {
          "Ref": "SecurityGroupId"
        }
      ]
    }
  }
}