package mainimport (   "encoding/json"  // "flag"    //"fmt"    "strconv"  "html/template"  "time"  // "log"  "strings"  "net/http"  "k8s.io/apimachinery/pkg/apis/meta/v1"  "k8s.io/client-go/kubernetes"  "k8s.io/client-go/tools/clientcmd")type microservice_details struct{  Deployment_name string `json:"Deployment_name"`  Namespace string        `json:"Namespace"`  Image_tag string}type namespace_details struct {     Namespace []string }var templates = template.Must(template.ParseGlob("./*.html"))var label_name stringvar namespace stringvar microservice ="/microservice/"var detailed_view="/detailed/"var kube_config_path="/home/saivamsi/.kube/config"var config, _ = clientcmd.BuildConfigFromFlags("", kube_config_path)var clientset, _ = kubernetes.NewForConfig(config)func main() {  templates = template.Must(template.ParseGlob("./*.html"))  http.Handle("/css/", http.StripPrefix("/css/", http.FileServer(http.Dir("css"))))      http.Handle("/jpeg/", http.StripPrefix("/jpeg/", http.FileServer(http.Dir("css"))))      http.HandleFunc("/", homepage)      http.HandleFunc(microservice, Deployment)      http.ListenAndServe(":8801",nil)}func homepage(w http.ResponseWriter, r *http.Request){  namespace,_:=clientset.CoreV1().Namespaces().List(v1.ListOptions{})  namespace_tmp := namespace_details{}                   for _,s := range namespace.Items{             namespace_tmp.Namespace = append(namespace_tmp.Namespace,s.Name)           }           templates.ExecuteTemplate(w,"homepage2.html",namespace_tmp)}如何在部署函數中使用主頁函數的命名空間變量。我需要在 go 模板中使用它們。我必須在 microservices.html 中使用該命名空間。我嘗試了很多東西但沒有奏效。