webpack.config.js

const path = require("path");
const webpack = require("webpack");
const dotenv = require("dotenv");

// const dotenv = require("dotenv").config({
//   path: path.join(__dirname, ".env"),
// });

const HtmlWebpackPlugin = require("html-webpack-plugin");
const CopyPlugin = require("copy-webpack-plugin");

module.exports = {
  entry: "./src/index.js",
  output: {
    path: path.resolve(__dirname, "dist"),
    filename: "index_bundle.js",
    publicPath: "/",
  },
  module: {
    rules: [
      { test: /\.(js)$/, use: "babel-loader" },
      { test: /\.css$/, use: ["style-loader", "css-loader"] },
      { test: /\.(png|jpe?g|gif)$/i, use: ["file-loader"] },
    ],
  },
  mode: process.env.NODE_ENV === "production" ? "production" : "development",
  plugins: [
    new HtmlWebpackPlugin({
      template: "./public/index.html",
    }),
    new CopyPlugin({
      patterns: [{ from: "./public/_redirects" }],
    }),
    new webpack.ProvidePlugin({
      process: "process/browser",
    }),
    new webpack.DefinePlugin({
      "process.env": JSON.stringify(dotenv.config().parsed),
    }),
  ],
  devServer: {
    historyApiFallback: true,
  },
};