Base package.json + webpack.config.js

package.json

{
  "devDependencies": {
    "webpack-dev-server": "^1.14.1"
  },
  "dependencies": {
    "assets-webpack-plugin": "^3.3.0",
    "babel-loader": "^6.2.2",
    "babel-plugin-syntax-object-rest-spread": "^6.5.0",
    "babel-plugin-transform-object-rest-spread": "^6.5.0",
    "babel-polyfill": "^6.5.0",
    "babel-preset-es2015": "^6.5.0",
    "babel-preset-react": "^6.5.0",
    "css-loader": "^0.23.1",
    "exports-loader": "^0.6.3",
    "extract-text-webpack-plugin": "^1.0.1",
    "file-loader": "^0.8.4",
    "imports-loader": "^0.6.5",
    "less": "^2.6.0",
    "less-loader": "^2.2.0",
    "node-libs-browser": "^1.0.0",
    "style-loader": "^0.13.0",
    "url-loader": "^0.5.7",
    "webpack": "^1.12.13"
  },
  "scripts": {
    "build": "webpack -p --progress --profile",
    "dev": "BUILD_DEV=true webpack-dev-server -d --hot --inline --progress --colors --inline --content-base ./src/main/resources --port 8081 --output-public-path http://localhost:8081/assets/"
  }
}

webpack.config.js

var webpack = require("webpack");
var ExtractTextPlugin = require("extract-text-webpack-plugin");
var AssetsPlugin = require("assets-webpack-plugin");

var __DEV__ = JSON.parse(process.env.BUILD_DEV || "false");

module.exports = {

    entry: {
        all: ["./client-src/main"]
    },

    output: {
        path: "./www/assets",
        publicPath: "/assets/",
        filename: __DEV__ ? "[name].js" : "[name]-[hash].js"
    },

    module: {
        loaders: [
            {
                test: /\.css$/,
                loader: ExtractTextPlugin.extract("style-loader", "css-loader")
            },
            {
                test: /\.less$/,
                loader: ExtractTextPlugin.extract("style-loader", "css-loader!less-loader")
            },
            {
                test: /\.(woff2?|ttf|eot|svg|jpg|png|gif|swf)(\?.*)?$/,
                loader: "file-loader"
            },
            {
                test: /\.jsx$/,
                exclude: /node_modules/,
                loader: "babel-loader",
                query: {
                    cacheDirectory: true,
                    presets: ["es2015", "react"],
                    plugins: [
                        "syntax-object-rest-spread",
                        "transform-object-rest-spread"
                    ]
                }
            }
        ]
    },

    resolve: {
        extensions: ["", ".js", ".jsx", ".json"]
    },

    plugins: [
        new webpack.DefinePlugin({
            __DEV__: JSON.stringify(__DEV__),
            'process.env.NODE_ENV': __DEV__ ? '"development"' : '"production"'
        }),
        new webpack.ContextReplacementPlugin(/moment[\/\\]locale$/, /cs/),
        new ExtractTextPlugin(__DEV__ ? "[name].css" : "[name]-[hash].css"),
        new AssetsPlugin({path: __dirname + "/www/assets"})
    ]

};