desired_2.json

[    
    {
        "name": "dev-cluster",
        "plan_name": "small",
        "parameters": {
        "kubernetes_worker_instances": 3
        }
    },
    {
        "name": "prod-cluster",
        "plan_name": "medium",
        "parameters": {
           "kubernetes_worker_instances": 5
        }
     }
]