cld2_react/config/webpack.prod.config.js

const merge = require('webpack-merge');
const common = require('./webpack.common.config.js');

const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');

module.exports = merge(common, {

    optimization: {
        splitChunks: {
          chunks: 'all',
          minSize: 30000,
          maxSize: 0,
          minChunks: 1,
          cacheGroups: {
            framework: {
              test: "framework",
              name: "framework",
              enforce: true
            },
            vendors: {
              priority: -10,
              test: /node_modules/,
              name: "vendor",
              enforce: true,
            },
          }
        }
      },


  mode: 'production',
  output: {
    filename: 'nodejs/[name].[chunkhash:8].bundle.js',
  },
  plugins: [
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: 'public/index.html',
      chunks:['workbench','framework'],
      // inject: 'body',
      // minify: {
      //   removeComments: true,
      //   collapseWhitespace: true,
      // },
    })
    //,new CleanWebpackPlugin()
  ]
});