Golang 마이크로서비스 개발을 통해 어떤 안정적인 기능을 제공할 수 있나요?

package main

import (
    "fmt"
)

func divide(a, b int) (int, error) {
    if b == 0 {
        return 0, fmt.Errorf("divisor cannot be zero")
    }
    return a / b, nil
}

func main() {
    result, err := divide(10, 0)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
    fmt.Println("Result:", result)
}

package main

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

func main() {
    config := api.DefaultConfig()
    client, err := api.NewClient(config)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    services, _, err := client.Catalog().Service("my-service", "", nil)
    if err != nil {
        fmt.Println("Error:", err)
        return
    }

    if len(services) > 0 {
        selectedService := services[0]
        fmt.Println("Selected service:", selectedService.ServiceName)
    }
}

package main

import (
    "github.com/sirupsen/logrus"
)

func main() {
    logrus.SetFormatter(&logrus.JSONFormatter{})
    logrus.SetLevel(logrus.InfoLevel)

    logrus.WithFields(logrus.Fields{
        "animal": "walrus",
        "size":   10,
    }).Info("A group of walrus emerges from the ocean")

    logrus.WithFields(logrus.Fields{
        "omg":    true,
        "number": 122,
    }).Warn("The group's number increased tremendously!")

    logrus.WithFields(logrus.Fields{
        "temperature": -4,
    }).Error("Temperature dropped below zero")
}