Sometimes, we want to create a proxy with Express.js.
In this article, we’ll look at how to create a proxy with Express.js.
How to create a proxy with Express.js?
To create a proxy with Express.js, we can use the express-http-proxy package.
To install it, we run
npm i express-http-proxy
Then we write
const url = require('url');
const proxy = require('express-http-proxy');
const apiProxy = proxy('example.com:3000/test', {
proxyReqPathResolver: req => url.parse(req.baseUrl).path
});
to call proxy with the URL we want to proxy and an object that has the proxyReqPathResolver property set to a function to map the URL we’re proxy to a URL in our app.
url.parse parses the URL and we get the URL path with path.
Conclusion
To create a proxy with Express.js, we can use the express-http-proxy package.
