Upload to S3 Using Node Js Multipart

Uploading files to amazon AWS S3 using Node js + express; This tutorial will show you how to upload file to amazon s3 bucket using node js + express with express, aws-s3, multer package.

This uploading files to AWS S3 with Node.js tutorial will create file upload to amazon s3 bucket using node js + express + Residual API.

Upload File to Amazon s3 bucket using Node JS + Express

Follow the beneath-given steps to upload single or multiple file to amazon s3 saucepan using node js + limited + rest api:

• Step 1 – Create Node Express js App
• Step 2 – Install limited, aws-s3, Multer dependencies
• Step three – Create Server.js File
  • Import Installed Packages
  • Configure AWS-S3 Bundle with Multer
  • Create Uploading Single File to AWS S3 with Node.js REST API Route
  • Create Uploading MultipleFile to AWS S3 with Node.js REST API Road
• Step 4 – Beginning Node Express Js App Server
• Step 5 – Uploading Files to AWS S3 Bucket with Node.js Balance API

Step ane – Create Node Limited js App

Execute the following command on terminal to create node js app:

mkdir my-app cd my-app npm init -y        

Step 2 – Install limited, aws-s3, Multer dependencies

Execute the post-obit command on concluding to install express, aws-s3 and multer dependencies:

npm install express multer aws-sdk trunk-parser --salvage

Limited — Express is a minimal and flexible Node.js web awarding framework that provides a robust set of features for web and mobile applications.

body-parser — Limited trunk-parser isan npm library used to procedure data sent through an HTTP request torso. Information technology exposes iv express middlewares for parsing text, JSON, url-encoded and raw data set through an HTTP request body.

AWS-SDK — AWS s3 npm is used to upload or delete an image from the s3 saucepan with the aid of some keys.

Step 3 – Create Server.js File

Create server.js file; and so visit your app root directory and create a new file name server.js.

Then follow the below steps:

• Import Installed Packages
• Configure AWS-S3 Parcel with Multer
• Create Uploading Single File to AWS S3 with Node.js Remainder API Road
• Create Uploading Single File to AWS S3 with Node.js REST API Road

Import Installed Packages

Import above installed dependencies package in server.js file:

var aws = require('aws-sdk') var express = require('express') var multer = crave('multer') var multerS3 = require('multer-s3')          

Configure AWS-S3 Package with Multer

Then configure aws-s3 package with multer as shown below:

var s3 = new aws.S3({    accessKeyId: " ",    secretAccessKey: " ",    Bucket: " " }) var upload = multer({    storage: multerS3({        s3: s3,        bucket:"",        metadata: function (req, file, cb) {            cb(null, { fieldName: file.fieldname });        },        cardinal: role (req, file, cb) {            cb(goose egg, Date.at present().toString())        }    }) })          

Create Uploading Single File to AWS S3 with Node.js Rest API Route

The following node js rest api route volition be upload single file to amazon s3 bucket:

//Uploading single File to aws s3 bucket app.post('/upload', upload.unmarried('photos'), function (req, res, next) {    res.transport({        information: req.files,        msg: 'Successfully uploaded ' + req.files + ' files!'    }) })          

Create Uploading Multiple File to AWS S3 with Node.js REST API Route

The post-obit node js rest api route volition exist upload multiple file to amazon s3 saucepan:

//Uploading unmarried File to aws s3 bucket app.postal service('/upload', upload.single('photos'), office (req, res, next) {    res.send({        data: req.files,        msg: 'Successfully uploaded ' + req.files + ' files!'    }) })          

Open your server js file and add the post-obit code into it:

var aws = require('aws-sdk') var express = require('express') var multer = crave('multer') var multerS3 = require('multer-s3') var app = express() var s3 = new aws.S3({    accessKeyId: " ",    secretAccessKey: " ",    Saucepan: " " }) var upload = multer({    storage: multerS3({        s3: s3,        bucket:"",        metadata: function (req, file, cb) {            cb(zilch, { fieldName: file.fieldname });        },        fundamental: office (req, file, cb) {            cb(nada, Date.now().toString())        }    }) })  //Uploading single File to aws s3 saucepan app.mail service('/upload', upload.single('photos'), function (req, res, next) {    res.send({        information: req.files,        msg: 'Successfully uploaded ' + req.files + ' files!'    }) })  //Uploading Multiple Files to aws s3 bucket app.post('/upload', upload.array('photos', 3), function (req, res, adjacent) {    res.transport({        data: req.files,        msg: 'Successfully uploaded ' + req.files.length + ' files!'    }) })  app.listen(4000, function () {    console.log('express is online'); })          

Step 4 – Start Node Limited Js App Server

Execute the post-obit command on concluding to get-go node express js server:

//run the below command  npm start

Step v – Uploading Files to AWS S3 Bucket with Node.js Balance API

To upload unmarried or multiple files to aws s3 saucepan using node js rest API; So open postman for sending HTTPmultipart/form-data requests: equally shown beneath motion picture:

Conclusion

To upload files to AWS S3 using Node js + express + remainder API; Through this tutorial, you will learn how to upload files to the amazon s3 saucepan using node js + rest api+ express with the express, aws-s3, multer package.

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Source: https://www.tutsmake.com/node-js-upload-file-to-amazon-aws-s3/

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