curl -X PATCH "https://api.spo1.mycloud.com/v1/instances/550e8400-e29b-41d4-a716-446655440000" \
  -H "Authorization: Bearer YOUR_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "string",
    "description": "string",
    "metadata": {
      "environment": "production",
      "team": "backend"
    },
    "tags": [
      "web",
      "frontend"
    ]
  }'

{
  "instance": {
    "id": "550e8400-e29b-41d4-a716-446655440000",
    "crn": "crn:spo1:compute:instance:550e8400-e29b-41d4-a716-446655440000",
    "name": "web-server-01",
    "description": "Primary web server",
    "status": "ACTIVE",
    "power_state": "RUNNING",
    "task_state": null,
    "vm_state": "ACTIVE",
    "flavor": {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "m1.medium",
      "vcpus": 2,
      "ram": 4096,
      "disk": 40
    },
    "image": {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "Ubuntu 22.04 LTS"
    },
    "addresses": {
      "private-network": [
        {
          "addr": "192.168.1.10",
          "version": 4,
          "type": "fixed",
          "mac_addr": "fa:16:3e:4f:5a:2b"
        }
      ]
    },
    "security_groups": [
      {
        "name": "default"
      }
    ],
    "volumes_attached": [
      {
        "id": "550e8400-e29b-41d4-a716-446655440000",
        "device": "/dev/vdb",
        "delete_on_termination": false
      }
    ],
    "key_names": [
      "my-keypair",
      "backup-key"
    ],
    "metadata": {
      "environment": "production",
      "team": "backend"
    },
    "tags": [
      "web",
      "frontend"
    ],
    "fault": {
      "code": 500,
      "message": "No valid host was found",
      "details": "string",
      "created": "2024-01-15T10:30:00Z"
    },
    "created_at": "2024-01-15T10:30:00Z",
    "updated_at": "2024-01-15T10:30:00Z",
    "launched_at": "2024-01-15T10:30:00Z",
    "terminated_at": "2024-01-15T10:30:00Z"
  }
}