webpack.config.js

const webpack = require('webpack');
const path = require('path');
require('dotenv').config();

const config = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js'
  },
  devServer: {
    contentBase: path.resolve(__dirname, "dist"),
    watchContentBase: true,
    compress: true,
    hot:true,
    port: 3000
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
            plugins: ["@babel/plugin-transform-runtime"]
          }
        }
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      }
    ]
  },
  plugins: [
    new webpack.DefinePlugin({
      "API_PATH": JSON.stringify(process.env.API_PATH)
  }),
  ],
  resolve: {
    extensions: [
      '.js',
      '.jsx'
    ]
  }
};

module.exports = config;