node S3 upload

upload.js

const fs = require('fs');
const AWS = require('aws-sdk');
const s3 = new AWS.S3({

    accessKeyId: 'aaa',
    secretAccessKey: 'bbb+oeyjn8zGANuDyCIY',
    region: 'ap-southeast-2'
    // accessKeyId: process.env.AWS_ACCESS_KEY,
    // secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,

});
 
const fileName = 'su.csv';

const uploadFile = () => {
  fs.readFile(fileName, (err, data) => {
     if (err) throw err;
     const params = {
         Bucket: 'sb-communicate-files-dev',  
         Key: 'su.csv', 
         Body: data
     };
     s3.upload(params, function(s3Err, data) {
         if (s3Err) throw s3Err
         console.log(`File uploaded successfully at ${data.Location}`)
     });
  });
};

uploadFile();