Golang 技术在云计算领域中的应用与其他技术对比

// main.go
package main

import (
    "context"
    "log"
    "os"

    "github.com/gin-gonic/gin"
    "k8s.io/api/core/v1"
    metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    "k8s.io/client-go/kubernetes"
)

func main() {
    r := gin.Default()
    r.GET("/", func(c *gin.Context) { c.JSON(200, "Hello, Kubernetes!") })

    pod := &v1.Pod{
        ObjectMeta: metav1.ObjectMeta{
            Name: "my-pod",
        },
        Spec: v1.PodSpec{
            Containers: []v1.Container{
                {
                    Name:  "app",
                    Image: "golang:1.17",
                    Command: []string{"/bin/sh", "-c"},
                    Args:    []string{"echo Hello, Kubernetes!"},
                },
            },
        },
    }

    clientset, err := kubernetes.NewForConfig(clientConfig())
    if err != nil {
        log.Fatal(err)
    }
    _, err = clientset.CoreV1().Pods("default").Create(context.Background(), pod, metav1.CreateOptions{})
    if err != nil {
        log.Fatal(err)
    }

    if err := r.Run(":" + os.Getenv("PORT")); err != nil {
        log.Fatal(err)
    }
}