Node js Express Image Upload using Multer Example

By Hardik Savani March 20, 2021 Category : Node JS

Hi,

In this tute, we will discuss node js express image upload example multer. if you want to see example of node.js express upload image example then you are a right place. i would like to show you node js image upload using multer. We will use node.js image uploading with multer. Let's see bellow example node.js multer upload image.

I will give you step by step simple example of image upload using multer with node js and express js. let's follow bellow steps:

Preview:

Step 1: Create Node App

run bellow command and create node app.

mkdir my-app
cd my-app
npm init

Step 2: Install express and multer

run bellow command and create node app.

npm install express multer --save

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Step 3: Create app.js file

app.js

const express = require('express');
const multer = require('multer');
const path = require('path');
const app = express();
  
const storage = multer.diskStorage({
    destination: function(req, file, cb) {
        cb(null, 'uploads/');
    },
  
    filename: function(req, file, cb) {
        cb(null, file.fieldname + '-' + Date.now() + path.extname(file.originalname));
    }
});
  
var upload = multer({ storage: storage })
  
app.get('/', (req, res) => {
  res.sendFile(__dirname + '/index.html');
});
  
app.post('/', upload.single('file-to-upload'), (req, res) => {
  res.redirect('/');
});
  
app.listen(3000);

Step 4: Create index.html file

index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Node js Express File Upload using Multer Example - ItSolutionStuff.com</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body>
    <h1>Node js Express File Upload using Multer Example - ItSolutionStuff.com</h1>
    <form action="/" enctype="multipart/form-data" method="post">
      <input type="file" name="file-to-upload">
      <input type="submit" value="Upload">
    </form>  
  </body>
</html>

now you can simply run by following command:

npm start

open following url:

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localhost:3000

i hope it can help you...

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