Storing data stream from POST request in GridFS, express, mongoDB, node.js

Question

I am trying to figure out how I can post an image directly to GridFS without storing it anywhere on the server as a temporary file first.

I am using Postman (chrome

Answer 1

while @robertklep's answer is correct, I would like to add something to his answer. This code shows how you can send back the stored file's metadata.

app.post('/picture', function(req, res) {
  req.pipe(gfs.createWriteStream({
    filename: 'test'
  }).on('close', function(savedFile){
    console.log('file saved', savedFile);
    return res.json({file: savedFile});
  }));
})