module.js:557
     throw err;
    ^
 Error: Cannot find module '/usr/src/app/dist'
     at Function.Module._resolveFilename (module.js:555:15)
     at Function.Module._load (module.js:482:25)
     at Function.Module.runMain (module.js:701:10)
     at startup (bootstrap_node.js:190:16)
    at bootstrap_node.js:662:3

"scripts": {
    "dev": "webpack-watch-server --config webpack.dev.xeapi.js"
  },
(...)
  "devDependencies": {
    "babel-loader": "^7.1.4",
    "config-webpack": "^1.0.4",
    "eslint": "^4.19.0",
    "grunt": "^1.0.2",
    "grunt-contrib-clean": "^1.1.0",
    "grunt-env": "^0.4.4",
    "grunt-shell": "^2.1.0",
    "json-loader": "^0.5.7",
    "mocha": "^4.0.1",
    "request": "^2.85.0",
    "request-promise": "^4.2.2",
    "start-server-webpack-plugin": "^2.2.5",
    "webpack": "^4.5.0",
    "webpack-bundle-analyzer": "^2.11.1",
    "webpack-cli": "^2.0.14",
    "webpack-merge": "^4.1.2",
    "webpack-node-externals": "^1.7.2",
    "webpack-watch-server": "^1.2.1"
  }
(...)

var path = require('path');
var webpack = require('webpack');
const merge = require('webpack-merge');
const common = require('./webpack.common.xeapi.js');
module.exports = merge(common, {
	mode : 'development',
	cache : true,
	stats: {
		// Nice colored output
		colors: true
	},
	// Create Sourcemaps for the bundle
	devtool: 'inline-source-map'
});

const path = require('path');
const webpack = require('webpack');
const nodeExternals = require('webpack-node-externals');

module.exports = {
    entry: {
	main: ['./src/index.js']
    },
    output: {
        path: path.join(__dirname,'dist/'),
        filename: 'server-app.js'
    },
    module: {
	    rules: [
	      {
	        test: /\.js$/,
	        use: [{
	          loader: 'babel-loader',
	          options: { presets: ['es2015'] }
	        }],
	      },
	    ],
	  },
  // Keep node_modules out of the generated bundle
  target: 'node',
  externals: [nodeExternals()],
};