webpack.config.js

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
	mode: 'development', //process.env.NODE_ENV,
	entry: './src/index.js',
	output: {
		filename: 'main.js',
		path: path.resolve(__dirname, './dist'),
	},
	plugins: [new MiniCssExtractPlugin()],
	module: {
		rules: [
			{
				test: /\.jsx?/,
				exclude: /(node_modules)/,
				use: {
					loader: 'babel-loader',
					options: {
						presets: ['@babel/preset-env', '@babel/preset-react'],
					},
				},
			},
			{
				test: /\.s[ac]ss$/i,
				use: ['style-loader', 'css-loader', 'sass-loader'],
			},
			{
				test: /\.png/i,
				loader: 'file-loader',
			},
		],
	},
	devServer: {
		// static: {
		//   directory: path.join(__dirname, 'src'),
		//   publicPath: './dist',
		// },
		hot: true,
		publicPath: '/dist/',
		compress: true,
		port: 8080,
		proxy: {
			'/**': { target: 'http://localhost:3000' },
		},
	},
};