deploy a heroku

package.json

{
  "name": "mobile-ui-design-client",
  "version": "1.0.0",
  "description": "A simple starter Angular2 project",
  "scripts": {
    "build": "rimraf dist && webpack --progress",
    "watch": "npm run build -- --watch",
    "server": "webpack-dev-server --inline --progress --port 3000 --content-base src",
    "start-dev": "npm run server",
    "prestart": "npm run build",
    "start": "node src/server.js"
  },
  "dependencies": {
    "@angular/animations": "4.0.0-rc.1",
    "@angular/common": "4.0.0-rc.1",
    "@angular/compiler": "4.0.0-rc.1",
    "@angular/compiler-cli": "4.0.0-rc.1",
    "@angular/core": "4.0.0-rc.1",
    "@angular/forms": "4.0.0-rc.1",
    "@angular/http": "4.0.0-rc.1",
    "@angular/platform-browser": "4.0.0-rc.1",
    "@angular/platform-browser-dynamic": "4.0.0-rc.1",
    "@angular/platform-server": "4.0.0-rc.1",
    "@angular/router": "4.0.0-rc.1",
    "bootstrap": "^3.3.7",
    "bootstrap-sass": "^3.3.7",
    "core-js": "^2.4.1",
    "express": "^4.15.2",
    "ie-shim": "^0.1.0",
    "node-sass": "^4.5.0",
    "reflect-metadata": "^0.1.9",
    "rxjs": "^5.0.3",
    "underscore": "^1.8.3",
    "zone.js": "^0.7.2",
    "@types/node": "^6.0.48",
    "angular2-router-loader": "^0.3.4",
    "angular2-template-loader": "^0.6.0",
    "awesome-typescript-loader": "^3.0.0-beta.9",
    "raw-loader": "^0.5.1",
    "css-loader": "^0.26.2",
    "html-webpack-plugin": "^2.28.0",
    "rimraf": "^2.5.4",
    "sass-loader": "^4.1.1",
    "to-string-loader": "^1.1.4",
    "typescript": "^2.1.6",
    "webpack": "2.2.0",
    "webpack-dev-server": "2.2.0",
    "webpack-merge": "^2.6.0"
  }
}

server.js

const express = require('express');
const path = require('path');

const app = express();
const ROOT = path.join(path.resolve(__dirname, '../dist'));

app.set('port', process.env.PORT || 3000);
// app.set('views', __dirname);
app.set('view engine', 'html');
app.set('json spaces', 2);

app.use(express.static(ROOT));

// Server
var server = app.listen(app.get('port'), function(){
  console.log(`Listening on: http://localhost:${server.address().port}`);
});

webpack.config.ts

var webpack = require('webpack');
var path = require('path');
var webpackMerge = require('webpack-merge');
var HtmlWebpackPlugin = require('html-webpack-plugin');

// Webpack Config
var webpackConfig = {
  entry: {
    'main': './src/main.browser.ts',
  },

  output: {
    publicPath: '',
    path: path.resolve(__dirname, './dist'),
  },

  plugins: [
    new webpack.ContextReplacementPlugin(
      // The (\\|\/) piece accounts for path separators in *nix and Windows
      /angular(\\|\/)core(\\|\/)src(\\|\/)linker/,
      path.resolve(__dirname, './src'),
      {
        // your Angular Async Route paths relative to this root directory
      }
    ),
    new HtmlWebpackPlugin({
      template: 'src/index.html'
    }),
  ],

  module: {
    loaders: [
      // .ts files for TypeScript
      {
        test: /\.ts$/,
        loaders: [
          'awesome-typescript-loader',
          'angular2-template-loader',
          'angular2-router-loader'
        ]
      },
      { test: /\.css$/, loaders: ['to-string-loader', 'css-loader'] },
      { test: /\.html$/, loader: 'raw-loader' },
      { test: /\.scss$/, loaders: ['raw-loader', 'sass-loader?sourceMap'] }
    ]
  }

};


// Our Webpack Defaults
var defaultConfig = {
  devtool: 'source-map',

  output: {
    filename: '[name].bundle.js',
    sourceMapFilename: '[name].map',
    chunkFilename: '[id].chunk.js'
  },

  resolve: {
    extensions: [ '.ts', '.js' ],
    modules: [ path.resolve(__dirname, 'node_modules') ]
  },

  devServer: {
    historyApiFallback: true,
    watchOptions: { aggregateTimeout: 300, poll: 1000 },
    headers: {
      "Access-Control-Allow-Origin": "*",
      "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, PATCH, OPTIONS",
      "Access-Control-Allow-Headers": "X-Requested-With, content-type, Authorization"
    }
  },

  node: {
    global: true,
    crypto: 'empty',
    __dirname: true,
    __filename: true,
    process: true,
    Buffer: false,
    clearImmediate: false,
    setImmediate: false
  }
};


module.exports = webpackMerge(defaultConfig, webpackConfig);