Nodejs Script to Upload Files to AWS S3

gistfile1.txt

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

// to be filled by user
const env = {
    MY_ACCESS_ID : '',
    MY_ACCESS_SECRET_KEY: '',
    MY_ACCESS_REGION: "ap-south-1",
    MY_BUCKET_NAME: ''
}

AWS.config.update({ 
                    accessKeyId: env.MY_ACCESS_ID, 
                    secretAccessKey: env.MY_ACCESS_SECRET_KEY, 
                    region: "ap-south-1" 
                });

                
               /**
                * 
                * @param {string} file_path file path to be uploaded to S3
                * @param {string} folder folder name that will be created in S3
                * @param {function} callback after each file processed this callback function will be called
                */
const sendToS3 = function(file_path,folder,callback) {
	console.log(`File: ${file_path} uploading... `);

	fs.readFile(file_path, function (err, data) {
		if (err) { throw err; }
	  
		const base64data =  Buffer.from(data, 'binary');
	    const s3 = new AWS.S3();
		s3.upload({
		  Bucket: env.MY_BUCKET_NAME,
		  Key: `${folder}/${path.basename(file_path)}`,
		  Body: base64data,
		  ACL: 'public-read'
		},function (err,data) {
			if (err){ 
				console.log(`File: ${file_path} not uploaded`);
				console.log(err, err.stack);
			} else {
		  		console.log(`File: ${file_path} uploaded `);
			}

			if(callback)
		  		callback(err);
		});
	  
	});

}