react webpack config

webpack.config.js

const path = require('path');
const HtmlWebPackPlugin = require('html-webpack-plugin');

module.exports = {
  context:  path.resolve(__dirname,'src'),
  entry: './index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'main.js',
    publicPath:'./',
  },
  devServer: {
    contentBase: path.join(__dirname,'dist'),
    compress: true,
    port:3000, 
    historyApiFallback: true
},
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
        },
      },
      {
        test: /\.css$/,
        use: [
          {
            loader: 'style-loader',
          },
          {
            loader: 'css-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: path.resolve( __dirname, 'public/index.html'),
      filename: 'index.html'
    }),
  ],
};