webpack.config.js

const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const webpack = require("webpack");
const dotenv = require("dotenv");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

dotenv.config();

module.exports = {
  mode: "development",
  entry: {
    index: "./src/main.js",
  },
  output: {
    path: path.resolve(__dirname, "build"),
    filename: "[name]__bundle.js",
    publicPath: "/",
    clean: true,
  },

  module: {
    rules: [
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, "css-loader"],
      },
    ],
  },
  devServer: {
    static: {
      directory: path.join(__dirname, "build"),
    },
    historyApiFallback: true,
    port: 9000,
    hot: true,
  },
  plugins: [
    new HtmlWebpackPlugin({
      filename: "index.html",
      template: path.resolve(__dirname, "./index.html"),
    }),
    new MiniCssExtractPlugin(),
    new webpack.DefinePlugin({
      "process.env": JSON.stringify(process.env),
    }),
  ],
  resolve: {
    fallback: {
      path: require.resolve("path-browserify"),
      crypto: require.resolve("crypto-browserify"),
      buffer: require.resolve("buffer"),
      os: require.resolve("os-browserify/browser"),
      stream: require.resolve("stream-browserify"),
      vm: require.resolve("vm-browserify"),
    },
  },
};