[feat] first version

pkg/logger/logger.go

@@ -0,0 +1,24 @@
+package logger
+
+import (
+	"io"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+func NewLogger(output io.Writer) *logrus.Logger {
+	l := logrus.New()
+
+	l.SetFormatter(&logrus.TextFormatter{})
+
+	l.SetLevel(logrus.DebugLevel)
+
+	if output != nil {
+		l.SetOutput(output)
+	} else {
+		l.SetOutput(os.Stdout)
+	}
+
+	return l
+}