webpack production build not working code example

Example 1: webpack merge

npm install --save-dev webpack-merge

const { merge } = require('webpack-merge');

Example 2: running webpack application on production server

"scripts": {
    "build": "NODE_ENV=production webpack --config ./webpack.production.config.js"
},

Example 3: running webpack application on production server

new webpack.optimize.CommonsChunkPlugin('common.js'),
  new webpack.optimize.DedupePlugin(),
  new webpack.optimize.UglifyJsPlugin(),
  new webpack.optimize.AggressiveMergingPlugin()

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Misc Example