webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const miniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyPlugin = require('copy-webpack-plugin');

module.exports = {
  mode: 'production',
  entry: './src/main.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'build'),
    clean: true,
  },
  devServer: {
    historyApiFallback: true,
    client: {
      overlay: {
        errors: true,
        warnings: false,
      },
    },
  },
  module: {
    rules: [
      {
        test: /\.(png|jpg|gif)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 10000,
              name: 'assets/[name].[ext]',
              esModule: false,
            },
          },
        ],
        type: 'javascript/auto',
      },
      {
        test: /\.css$/,
        use: [
          miniCssExtractPlugin.loader,
          {
            loader: 'css-loader',
            options: {
              modules: {
                localIdentName: '[local]--[hash:base64:5]',
              },
            },
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({ template: './index.html' }),
    new miniCssExtractPlugin({ filename: './css/bundle.css' }),
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve(__dirname, '_redirects'),
        },
      ],
    }),
  ],
};