webpack.config.js

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

module.exports = {
  output: {
    path: path.join(__dirname, "/dist"), // the bundle output path
    filename: "bundle.js", // the name of the bundle
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "src/index.html", // to import index.html file inside index.js
    }),
  ],
  devServer: {
    host: 'localhost',
    port: 3030, // you can change the port
    // enable HMR on the devServer
    hot: true,
    // fallback to root for other urls
    historyApiFallback: true,

    static: {
      // match the output path
      directory: path.resolve(__dirname, 'dist'),
      // match the output 'publicPath'
      publicPath: '/',
    },

    headers: { 'Access-Control-Allow-Origin': '*' },
    /**
     * proxy is required in order to make api calls to
     * express server while using hot-reload webpack server
     * routes api fetch requests from localhost:8080/api/* (webpack dev server)
     * to localhost:3030/api/* (where our Express server is running)
     */
    proxy: [{
        context: ['/**'],
        target: 'http://localhost:4000/',
        secure: false,
      
      // '/assets/**': {
      //   target: 'http://localhost:6000/',
      //   secure: false,
      // },
    }],
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/, // .js and .jsx files
        exclude: /node_modules/, // excluding the node_modules folder
        use: {
          loader: "babel-loader",
        },
      },
      {
        test: /\.(sa|sc|c)ss$/, // styles files
        use: ["style-loader", "css-loader", "sass-loader"],
      },
      {
        test: /\.(png|woff|woff2|eot|ttf|svg)$/, // to import images and fonts
        loader: "url-loader",
        options: { limit: false },
      },
    ],
  },
};