upload object to wasabi cloud with multer

uploadToWasabiCloud.js

const { S3Client } = require('@aws-sdk/client-s3');
const AWS = require('aws-sdk');
const multer = require('multer')
const multerS3 = require('multer-s3')
const ep = new AWS.Endpoint('s3.wasabisys.com');
const { generateString } = require("./index")

const s3 = new S3Client({
    endpoint: ep,
    region: process.env.WASABI_REGION,
    credentials: {
        accessKeyId: process.env.WASABI_ACCESS_KEY_ID,
        secretAccessKey: process.env.WASABI_SECRET_ACCESS_KEY,
    },
    sslEnabled: false,
    s3ForcePathStyle: true,
    signatureVersion: 'v4',
});

module.exports = uploadToWasabi = multer({
    storage: multerS3({
        s3: s3,
        bucket: process.env.bucketName,
        contentType: multerS3.AUTO_CONTENT_TYPE,
        acl: 'public-read',
        metadata: function (req, file, cb) {
            cb(null, { fieldName: file.fieldname });
        },
        key: function (req, file, cb) {
            const fileName = generateString(18) + file.originalname.split(".").pop()
            req.body.uploaded = fileName
            cb(null, fileName);
        },
    }),
});