fix port env

cmd/server/main.go

@@ -5,13 +5,17 @@ import (
 	"backea/internal/server"
 	"log"
 	"os"
+
+	"github.com/joho/godotenv"
 )
 
 func main() {
-	// Get port from environment or use default
+	if err := godotenv.Load(); err != nil {
+		log.Printf("Warning: .env file not found or could not be loaded: %v", err)
+	}
 	port := os.Getenv("PORT")
 	if port == "" {
-		port = "8080"
+		port = "21311"
 	}
 
 	// Create backup factory