nodejs表示服务文件夹和存储在DigitalOcean / S3中的文件

Question

I would like to ask help on serving files stored via object storage in DigitalOcean/S3` using nodejs.

My current app checks the ./public/ folder inside the nodejs app folder as follows:

in app.js

app.use(express.static(path.join(__dirname, 'public')));

and in routes/index.js

var express = require('express');
var router = express.Router();
router.get('/', function(req, res) {
res.render('home', { title: 'homepage' });
});
module.exports = router;

How can I let the app serve files located in the ./public/ directory in a bucket.

DIR   s3://my***/public/

Your help is greatly appreciated.

Answer 1

I think you're confusing the purpose of S3, it's not like a database when you'll proxy calls to the data (s3) and hand it back to the client. Generally you'll expose the S3 bucket in a way that lets anyone view individual items from it but not index or update it.

From there you can just lookup the full file URL and pass it back to the user / browser / app. For example, I usually store the S3 location within my database, I'll then pull this out and append it on the end of the S3 bucket URL and then hand that back to the frontend to render my images directly from S3.

If you want to attach your own domain name to S3, you can checkout AWS Cloudfront and use the CDN feature. This allows you to attach your own domain name to the bucket and serve things up super quickly from anywhere across the globe.