saas-platform/frontend/saas-portal-web/webpack.conf.js

const path = require('path')
const cleanWebpackPlugin = require('clean-webpack-plugin')
const copyWebpackPlugin = require('copy-webpack-plugin')
const htmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
    entry: {
        env: './config/env.js'
    },
    output: {
		path: path.resolve(__dirname, 'dist'),
		filename: 'js/[name].js'
    },
    plugins: [
        new cleanWebpackPlugin(["dist"]),
		new htmlWebpackPlugin({
			filename: 'index.html',
			template: './src/index.html',
			inject: 'head'
        }),
        new copyWebpackPlugin([{
            from: path.resolve(__dirname, 'src'),
            to: path.resolve(__dirname, 'dist'),
            ignore: ["index.html", "js/env.js"]
        }])
    ]
}