dynamic-proxy-middleware

Installation

This is a Node.js module available through the npm registry. Installation is done using the npm install command:

$ npm install dynamic-proxy-middleware

How to use

var dynamicProxyMiddleware = require('dynamic-proxy-middleware')


var server = new WebpackDevServer({

    ...

    before (app, server) {
        app.use(dynamicProxyMiddleware({
            entry: '/modifyPageEntryUrl',
            proxy: {
                '/api1': 'http://target1:8080',
                '/api2': 'http://target2:9090',
                '/api3': 'http://target3:8080',
                '/api4': 'http://target4:9090',
            },
        })) 
    }
})

server.listen({...})

With a page on localhost:port/modifyPageEntryUrl, you can modify the proxy as you want

More api

    proxy: {
        '/api': {
            target: 'http://localhost:3000',
            pathRewrite: {'^/api' : ''},
            secure: false,
            changeOrigin: true,
            bypass: function(req, res, proxyOptions) {
                if (req.headers.accept.indexOf('html') !== -1) {
                    console.log('Skipping proxy for browser request.');
                    return '/index.html';
                }
            }
        }
    }