webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const Dotenv = require('dotenv-webpack');

module.exports = {
  entry: './src/main.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  devtool: 'eval-source-map',
  devServer: {
    contentBase: './dist'
  },
  plugins: [
    new Dotenv(),
    new UglifyJsPlugin({ sourceMap: true }),
    new CleanWebpackPlugin(),
    new HtmlWebpackPlugin({
      title: 'Project Title',
      template: './src/index.html',
      inject: 'body'
    })
  ],
  module: {
    rules: [
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader']
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        loader: 'eslint-loader'
      },
      {
        test: /\.(jpe?g|png|gif|woff|woff2|eot|ttf|svg)(\?[a-z0-9=.]+)?$/,
        loader: 'url-loader?limit=100000'
      }
    ]
  }
};