slog 통합

backend/internal/service/ses_service.go

@@ -3,7 +3,7 @@ package service
 import (
 	"context"
 	"fmt"
-	"log"
+	"log/slog"
 	"os"
 
 	"baron-sso-backend/internal/domain"
@@ -26,16 +26,15 @@ func NewEmailService() domain.EmailService {
 	sender := os.Getenv("AWS_SES_SENDER")
 
 	if region == "" || accessKey == "" || secretKey == "" {
-		log.Println("[EmailService] AWS configuration missing, email service will not work")
+		slog.Warn("[EmailService] AWS configuration missing, email service will not work")
 		return nil
 	}
-
 	cfg, err := config.LoadDefaultConfig(context.TODO(),
 		config.WithRegion(region),
 		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(accessKey, secretKey, "")),
 	)
 	if err != nil {
-		log.Printf("[EmailService] Failed to load AWS config: %v", err)
+		slog.Error("Failed to load AWS config", "error", err)
 		return nil
 	}
 
@@ -71,9 +70,9 @@ func (s *SesServiceImpl) SendEmail(to, subject, body string) error {
 
 	_, err := s.client.SendEmail(context.TODO(), input)
 	if err != nil {
-		log.Printf("[EmailService] Failed to send email to %s: %v", to, err)
+		slog.Error("[EmailService] Failed to send email", "to", to, "error", err)
 	} else {
-		log.Printf("[EmailService] Email sent successfully to %s", to)
+		slog.Info("[EmailService] Email sent successfully", "to", to)
 	}
 	return err
 }

backend/internal/service/sms_service.go

@@ -8,7 +8,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
-	"log"
+	"log/slog"
 	"net/http"
 	"os"
 	"strconv"
@@ -17,6 +17,7 @@ import (
 
 	"baron-sso-backend/internal/domain"
 )
+
 type SmsServiceImpl struct {
 	accessKey   string
 	secretKey   string
@@ -28,7 +29,7 @@ func NewSmsService() domain.SmsService {
 	// Sanitize sender phone number right after reading from env
 	rawSenderPhone := os.Getenv("NAVER_SENDER_PHONE_NUMBER")
 	sanitizedSenderPhone := strings.ReplaceAll(rawSenderPhone, "-", "")
-	log.Printf("[서비스 초기화] 발신자 번호 처리: 원본='%s', 정제 후='%s'", rawSenderPhone, sanitizedSenderPhone)
+	slog.Info("[서비스 초기화] 발신자 번호 처리", "원본", rawSenderPhone, "정제후", sanitizedSenderPhone)
 
 	return &SmsServiceImpl{
 		accessKey:   os.Getenv("NAVER_CLOUD_ACCESS_KEY"),
@@ -41,7 +42,7 @@ func NewSmsService() domain.SmsService {
 func (s *SmsServiceImpl) SendSms(to, content string) error {
 	timestamp := strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10)
 	apiURL := fmt.Sprintf("https://sens.apigw.ntruss.com/sms/v2/services/%s/messages", s.serviceID)
-	log.Printf("Requesting SENS API URL: %s", apiURL)
+	slog.Info("[SmsService] Requesting SENS API URL", "url", apiURL)
 
 	// Naver SENS API requires phone number without '+'
 	sanitizedTo := strings.Replace(to, "+", "", 1)
@@ -92,11 +93,11 @@ func (s *SmsServiceImpl) SendSms(to, content string) error {
 	}
 
 	if resp.StatusCode >= 300 {
-		log.Printf("error response from naver cloud sms api: %s", string(respBody))
+		slog.Error("[SmsService] error response from naver cloud sms api", "body", string(respBody))
 		return fmt.Errorf("error sending sms: status code %d", resp.StatusCode)
 	}
     
-    log.Printf("sms sent successfully: %s", string(respBody))
+    slog.Info("[SmsService] sms sent successfully", "body", string(respBody))
 	return nil
 }
 
@@ -112,4 +113,4 @@ func (s *SmsServiceImpl) makeSignature(method, url, timestamp string) (string, e
 	}
 
 	return base64.StdEncoding.EncodeToString(h.Sum(nil)), nil
-}
+}