Enhance docker logging for debugging (Python unbuffered, GORM logger, yt-dlp debug wrapper)

backend/handlers/api.go

@@ -106,10 +106,13 @@ func DownloadMedia(c *fiber.Ctx) error {
 		}
 
 		cmd := exec.Command("python", args...)
+		fmt.Printf("[DEBUG Go Exec] Command: %v\n", cmd.String())
+		
 		output, err := cmd.CombinedOutput()
+		fmt.Printf("[DEBUG Go Exec] Output:\n%s\n", string(output))
 		
 		if err != nil {
-			fmt.Println("Download error:", string(output))
+			fmt.Printf("[DEBUG Go Exec] Download error: %v\n", string(output))
 			BroadcastProgress("Error: " + err.Error())
 			models.DB.Create(&models.MediaHistory{
 				SourceURL: req.URL,

backend/models/db.go

@@ -2,9 +2,11 @@ package models
 
 import (
 	"log"
+	"os"
 
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
 )
 
 var DB *gorm.DB
@@ -19,8 +21,20 @@ type MediaHistory struct {
 
 func InitDB(dbPath string) {
 	var err error
+	
+	// 도커 로그 디버깅을 위해 SQL 쿼리를 디테일하게 출력하는 로거 설정
+	newLogger := logger.New(
+		log.New(os.Stdout, "\r\n", log.LstdFlags),
+		logger.Config{
+			LogLevel: logger.Info,
+			Colorful: true,
+		},
+	)
+
 	log.Println("Connecting to SQLite at:", dbPath)
-	DB, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{})
+	DB, err = gorm.Open(sqlite.Open(dbPath), &gorm.Config{
+		Logger: newLogger,
+	})
 	if err != nil {
 		log.Fatal("Failed to connect to database:", err)
 	}