webpack.config.js

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

module.exports = {
  mode: process.env.NODE_ENV,
  entry: path.resolve(__dirname, "./client/index.js"),
  output: {
    path: path.resolve(__dirname, "./build"),
    filename: "bundle.js",
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /(node_modules)/,
        loader: "babel-loader",
        options: {
          presets: ["@babel/env", "@babel/react"],
        },
      },
      {
        test: /\.s?css$/,
        use: ["style-loader", "css-loader", "sass-loader"],
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif|webp)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, "./client/index.html"),
    }),
  ],
  devServer: {
    static: {
      publicPath: "/build",
      directory: path.resolve(__dirname, "./build"),
    },
    port: 8080,
    historyApiFallback: true,
    proxy: [{ context: ["/api"], target: "http://localhost:3000" }],
  },
};