无法在kubernetes client-go中创建没有复制控制器的部署

import (
    "context"
    "fmt"
    "k8s.io/client-go/kubernetes"
    "k8s.io/client-go/tools/clientcmd"
    appsv1 "k8s.io/api/apps/v1"
    metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

config, err := clientcmd.BuildConfigFromFlags("", "<path-to-kubeconfig>")
if err != nil {
    panic(err.Error())
}

clientset, err := kubernetes.NewForConfig(config)
if err != nil {
    panic(err.Error())
}

deployment := &appsv1.Deployment{
    ObjectMeta: metav1.ObjectMeta{
        Name:      "my-deployment",
        Namespace: "default",
    },
    Spec: appsv1.DeploymentSpec{
        Replicas: int32Ptr(3), // 设置副本数量
        Selector: &metav1.LabelSelector{
            MatchLabels: map[string]string{
                "app": "my-app",
            },
        },
        Template: corev1.PodTemplateSpec{
            ObjectMeta: metav1.ObjectMeta{
                Labels: map[string]string{
                    "app": "my-app",
                },
            },
            Spec: corev1.PodSpec{
                Containers: []corev1.Container{
                    {
                        Name:  "my-container",
                        Image: "my-image",
                    },
                },
            },
        },
    },
}

result, err := clientset.AppsV1().Deployments("default").Create(context.TODO(), deployment, metav1.CreateOptions{})
if err != nil {
    panic(err.Error())
}

fmt.Printf("Created deployment %q.\n", result.GetObjectMeta().GetName())

go run main.go

Created deployment "my-deployment".