refactor and to go mod

server/log/log.go

@@ -0,0 +1,24 @@
+package log
+
+import (
+	"log"
+	"os"
+)
+
+func Init(path string) {
+	if path != "" {
+		ff, err := os.Create(path)
+		if err != nil {
+			TLogln("Error create log file:", err)
+			return
+		}
+
+		os.Stdout = ff
+		os.Stderr = ff
+		log.SetOutput(ff)
+	}
+}
+
+func TLogln(v ...interface{}) {
+	log.Println(v...)
+}