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

const path = require('path')
const webpack = require('webpack')
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'
    },
    module: {
        rules: [{
            test: /\.css$/,
            use: [
                { loader: 'style-loader' },
                {
                    loader: 'css-loader',
                    options: { modules: true}
                }
            ]
        }]
    },
    plugins: [
		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"]
        }]),
        new webpack.HotModuleReplacementPlugin()
    ],
    devServer: {
        clientLogLevel: 'warning',
        quiet: true,
        open: true,
        contentBase: path.join(__dirname, "dist"),
        port: 80,
        host: '127.0.0.1'
    }
}