Fix logging level, improved README.md

cmd/main.go

@@ -11,10 +11,11 @@ import (
 )
 
 func main() {
-	var storagePath = "./"
+	var storagePath = "/tmp"
 	if os.Getenv("DATA_DIR") != "" {
 		storagePath = os.Getenv("DATA_DIR")
 	}
+	logrus.Infof("Using directory: %s", storagePath)
 	setupLogging()
 	h, err := handler.NewHandler(storagePath)
 	if err != nil {
@@ -38,10 +39,11 @@ func setupLogging() {
 	level := os.Getenv("LOG_LEVEL")
 	l := logrus.ErrorLevel
 	for _, ll := range logrus.AllLevels {
-		if strings.ToUpper(level) == string(ll) {
+		if strings.ToLower(level) == ll.String() {
 			l = ll
 			break
 		}
 	}
 	logrus.SetLevel(l)
+	logrus.Infof("Setting LOG_LEVEL: %s", l)
 }