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I have a problem uploading images to S3 using multer and multer-s3 npm with node.js and express.

I have read the documentation of multer and multer-s3 and followed the tutorials, and searched on stackoverflow and other websites to solve my issue but no success.

This is my client side code: 

<form method="post" enctype="multipart/form-data" action="/test">
<p>
    <input type="text" name="title" placeholder="optional title"/>
</p>

<p>
    <input type="file" name="upl"/>
</p>

<p>
    <input type="submit"/>
</p>
</form>

And here is my server side code: 

var express = require('express'),
 router = express.Router(),
 aws = require('aws-sdk'),
 multer = require('multer'),
 multerS3 = require('multer-s3'),
 s3 = new aws.S3()

 aws.config = ({
  secretAccessKey: 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
  accessKeyId: 'XXXXXXXXXXXXXX'
});

var upload = multer({
   storage: multerS3({
       s3: s3,
       bucket: 'styleboxphotosbianor',
       key: function (req, file, cb) {
         console.log(file);
         cb(null, file.originalname); //use Date.now() for unique file keys
      }
  })
});

//open in browser to see upload form
router.get('/', function (req, res) {
   res.render('multer');
});

//use by upload form
router.post('/', upload.array('upl',1), function (req, res, next) {
  res.send("Uploaded!");
});

module.exports = router;

And I got this error

TypeError: this.s3.upload is not a function
at S3Storage.<anonymous> (/Users/magintosh/bianor/node_modules/multer-s3/index.js:150:26)

So i need your help my friends. Thank you a lot for being here for us!

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1 Answer 1

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3

You must create "s3" variable only after setting up your "aws" module. And also setting up the "aws" package should be with "aws.config.update"

var express = require('express'),
 router = express.Router(),
 aws = require('aws-sdk'),
 multer = require('multer'),
 multerS3 = require('multer-s3');

 aws.config.update({
  secretAccessKey: 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
  accessKeyId: 'XXXXXXXXXXXXXX'
});

 s3 = new aws.S3();

*I assume that you replace the value for "secretAccessKey" and "accessKeyId" with actual key from AWS and you do have AWS account (some tutorial miss to mention that)

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3 Comments

@Rajan .. how do i implement ffmpeg to convert a file and thn upload to S3?
@Somename I've never done that yet but the following question seems like a good starting point stackoverflow.com/questions/28286798/… stackoverflow.com/questions/43227600/…
I've posted the second question with no luck so far. Could you please try and tell me ?

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