make it possible for nginx to serve the tracks instead

server.js

@@ -141,7 +141,7 @@ router.get('/serve/by-id/:id', async (req, res, next) => {
     return res.download(fpath)
   }
 
-  res.sendFile(fpath)
+  res.redirect('/file/track' + fpath.substring(values.directory.length))
 })
 
 router.use((err, req, res, next) => {
@@ -150,6 +150,7 @@ router.use((err, req, res, next) => {
 })
 
 app.use('/api', router)
+app.use('/file/track', express.static(path.resolve(values.directory)))
 app.use('/', express.static(path.join(__dirname, 'public')))
 
 app.listen(port, '127.0.0.1', function () {