Uploading files to AWS S3 using NodeJS

index.js

const AWS = require('aws-sdk');
const fs = require('fs');
const path = require('path');

//configuring the AWS environment
AWS.config.update({
    accessKeyId: "AWS_ACCESS_KEY",
    secretAccessKey: "AWS_SECRET_ACCESS_KEY"
  });

let s3 = new AWS.S3();
let filePath = "./data/file.txt";

//configuring parameters
let params = {
  Bucket: "AWS_BUCKET_NAME",
  Body: fs.createReadStream(filePath),
  Key: "folder/" + Date.now() + "_" + path.basename(filePath)
};

s3.upload(params, (err, data) => {
  //handle error
  if (err) {
    console.log("Error:", err);
  }
  //success
  if (data) {
    console.log("Uploaded to:", data.Location);
  }
});