Node Express sending image files as API response

Question

I Googled this but couldn\'t find an answer but it must be a common problem. This is the same question as Node request (read image stream - pipe back to response), which is

Answer 1

There is an api in Express.

res.sendFile

app.get('/report/:chart_id/:user_id', function (req, res) {
    // res.sendFile(filepath);
});

http://expressjs.com/en/api.html#res.sendFile