webpack.config.js

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

module.exports = {
    entry: './src/js/index.js',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'js/app.js'
    },
    module: {
        rules: [
            {
                test: /\.s[ac]ss$/i,
                exclude: /node_modules/,
                use: [
                    // Creates `style` nodes from JS strings
                    'style-loader',
                    // Translates CSS into CommonJS
                    'css-loader',
                    // Rewrites relative paths in url() statements
                    //'resolve-url-loader',
                    // Applies auto prefixes (see postcss.config.js)
                    'postcss-loader',
                    // Compiles Sass to CSS
                    'sass-loader',
                ],
            },
            {
                test: /\.(png|jpe?g|svg)$/i,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            outputPath: 'img',
                            name: '[name].[ext]',
                        },
                    },
                ],
            },
        ],
    },
    plugins: [
        new CleanWebpackPlugin(),
        new HtmlWebpackPlugin({
            template: 'src/index.html'
        }),
        new CopyWebpackPlugin([{
            from: 'src/img',
            to: 'img'
        }]),
    ],
    devServer: {
        contentBase: path.join(__dirname, 'dist'),
        compress: true,
        port: 8080
    }
};