Golang 지원을 기반으로 마이크로서비스는 어떤 기능을 개발할 수 있나요?

import (
    "github.com/hashicorp/consul/api"
)

func RegisterService(serviceName, serviceAddress string, servicePort int) error {
    config := api.DefaultConfig()
    client, err := api.NewClient(config)
    if err != nil {
        return err
    }

    agent := client.Agent()
    registration := &api.AgentServiceRegistration{
        ID:      serviceName,
        Name:    serviceName,
        Address: serviceAddress,
        Port:    servicePort,
    }

    err = agent.ServiceRegister(registration)
    if err != nil {
        return err
    }

    return nil
}

func main() {
    // 启动微服务

    // 注册服务
    err := RegisterService("myservice", "localhost", 8080)
    if err != nil {
        fmt.Println("服务注册失败：", err)
    }

    // ...

    // 等待退出信号
    // ...
}

import (
    "github.com/gin-gonic/gin"
)

func main() {
    router := gin.Default()

    router.GET("/hello", func(c *gin.Context) {
        c.JSON(200, gin.H{
            "message": "Hello, World!",
        })
    })

    // ...

    router.Run(":8080")
}

import (
    "gorm.io/gorm"
    "gorm.io/driver/mysql"
)

type User struct {
    ID   uint
    Name string
}

func main() {
    dsn := "user:password@tcp(localhost:3306)/dbname?charset=utf8mb4&parseTime=True&loc=Local"
    db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
    if err != nil {
        panic("连接数据库失败：" + err.Error())
    }

    // 自动迁移数据模型到数据库
    db.AutoMigrate(&User{})

    // ...

    // 查询数据
    var user User
    result := db.First(&user, 1)
    if result.Error != nil {
        fmt.Println("查询失败：", result.Error)
    } else {
        fmt.Println("查询结果：", user)
    }

    // ...

    // 关闭数据库连接
    db.Close()
}