webpack.config.js

var path = require('path');
var ROOT = path.resolve(__dirname, 'src/main/resources/static');
var SRC  = path.resolve(ROOT, 'jsx');
var DEST = path.resolve(ROOT, 'output');

module.exports = {
    entry: SRC,
    resolve: {
        extensions: ['', '.js', '.jsx' ]
    },
    output: {
        path: DEST,
        filename: 'bundle.js',
        publicPath: '/output/',
        library: 'MyApp'
    },
    module: {
        loaders: [
            {
                test: /\.jsx?$/,
                loaders: ['babel'],
                include: SRC
            }
        ]
    },
    devServer: {
        port: 9090,
        proxy: {
            '/*': {
                target: 'http://localhost:8080',
                secure: false,
                // node-http-proxy option - don't add /localhost:8080/ to proxied request paths
                prependPath: false
            },
        },
        publicPath: 'http://localhost:9090/output/'
    }
};