Golang을 사용하여 마이크로서비스를 개발하면 어떤 주요 기능 요구 사항을 충족할 수 있나요?

package main

import (
    "fmt"
    "os"

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

func main() {
    config := api.DefaultConfig()
    client, err := api.NewClient(config)
    if err != nil {
        fmt.Println(err)
        os.Exit(1)
    }

    services, _, err := client.Catalog().Services(nil)
    if err != nil {
        fmt.Println(err)
        os.Exit(1)
    }

    for serviceName := range services {
        serviceEntries, _, err := client.Catalog().Service(serviceName, "", nil)
        if err != nil {
            fmt.Println(err)
            os.Exit(1)
        }

        for _, serviceEntry := range serviceEntries {
            fmt.Printf("ServiceName: %s, Address: %s, Port: %d
", serviceEntry.ServiceName, serviceEntry.Address, serviceEntry.ServicePort)
        }
    }
}

package main

import (
    "net/http"
    "time"

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

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

    router.LoadHTMLGlob("templates/*")

    router.GET("/", func(context *gin.Context) {
        time.Sleep(3 * time.Second)
        context.HTML(http.StatusOK, "index.tmpl", gin.H{
            "title": "Hello, Gin!",
        })
    })

    router.Run(":8080")
}

package main

import (
    "github.com/afex/hystrix-go/hystrix"
    "fmt"
)

func main() {
    hystrix.ConfigureCommand("my_command", hystrix.CommandConfig{
        Timeout:                1000,
        MaxConcurrentRequests:  100,
        ErrorPercentThreshold:  25,
        SleepWindow:            5000,
        RequestVolumeThreshold: 10,
    })

    for i := 0; i < 100; i++ {
        result, err := hystrix.Do("my_command", func() (interface{}, error) {
            // Your code here
            return "Success", nil
        }, nil)
        
        if err != nil {
            fmt.Println(err)
        }
        
        fmt.Println(result)
    }
}

package main

import (
    "net/http"

    "github.com/prometheus/client_golang/prometheus"
    "github.com/prometheus/client_golang/prometheus/promhttp"
)

func main() {
    counter := prometheus.NewCounter(prometheus.CounterOpts{
        Name: "my_counter",
        Help: "My Counter",
    })

    prometheus.MustRegister(counter)

    counter.Inc()

    http.Handle("/metrics", promhttp.Handler())
    http.ListenAndServe(":8080", nil)
}