http-proxy-rules

const http = require('http'); const httpProxy = require('http-proxy'); const HttpProxyRules = require('http-proxy-rules'); // Set up proxy rules instance const proxyRules = new HttpProxyRules({ rules: { '.*/api/v1/users': 'http://localhost:3001/users', '.*/api/v1/products/([0-9]+)': 'http://localhost:3002/items/$1', '/admin': 'http://localhost:3003/dashboard', '/images/(.*)': 'http://localhost:3004/assets/$1' }, default: 'http://localhost:3000' // Default target if no rules match }); // Create reverse proxy instance const proxy = httpProxy.createProxy(); // Create http server that leverages reverse proxy instance // and proxy rules to proxy requests to different targets http.createServer(function(req, res) { const target = proxyRules.match(req); if (target) { console.log(`Proxying ${req.url} to ${target}`); return proxy.web(req, res, { target: target }); } else { console.log(`No rule matched for ${req.url}. Using default.`); return proxy.web(req, res, { target: proxyRules.default }); } }).listen(6010, () => { console.log('Proxy server listening on port 6010'); console.log(' - Try: http://localhost:6010/api/v1/users'); console.log(' - Try: http://localhost:6010/api/v1/products/123'); console.log(' - Try: http://localhost:6010/admin'); console.log(' - Try: http://localhost:6010/images/logo.png'); console.log(' - Try: http://localhost:6010/unknown-path'); });