diff --git a/internal/config/initialize.go b/internal/config/initialize.go
index 7270374..197ea57 100644
--- a/internal/config/initialize.go
+++ b/internal/config/initialize.go
@@ -23,6 +23,7 @@ func Init() Config {
 	}
 
 	// set logging Level
+	log.Init("text")
 	log.SetNumericLevel(cfg.LogLevel)
 
 	// set timezone & time format
diff --git a/internal/log/logging.go b/internal/log/logging.go
index 2db074f..99f9cb2 100644
--- a/internal/log/logging.go
+++ b/internal/log/logging.go
@@ -27,9 +27,8 @@ var (
 	L = Log{}
 )
 
-func init() {
-	// Initialize SLog and translate new logging levels
-	L.Log = slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{
+func Init(writer string) {
+	slogOptions := &slog.HandlerOptions{
 		Level: &L.SLogLevel,
 		ReplaceAttr: func(groups []string, a slog.Attr) slog.Attr {
 			if a.Key == slog.LevelKey {
@@ -43,7 +42,16 @@ func init() {
 			}
 			return a
 		},
-	}))
+	}
+
+	// Initialize SLog and translate new logging levels
+	switch writer {
+	case "json":
+		L.Log = slog.New(slog.NewJSONHandler(os.Stdout, slogOptions))
+	default:
+		L.Log = slog.New(slog.NewTextHandler(os.Stdout, slogOptions))
+	}
+	// create context
 	L.Ctx = context.Background()
 }