Webpack image processing sample configuration

webpack.config.js

const webpackConfig = {
  entry: './app/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist')
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        loader: 'style-loader'
      },
      {
        test: /.*\.(gif|png|jpe?g)$/i,
        use: [
          {
            loader: 'url-loader',
            options: {
              limit: 8000,
              name: '/images/[name]_[sha512:hash:base64:7].[ext]'
            }
          },
          {
            loader: 'image-webpack-loader',
            options: {
              optipng: {
                optimizationLevel: 7
              },
              pngquant: {
                quality: '65-90'
              },
              mozjpeg: {
                quality: 65
              }
            }
          }
        ]
      }
    ]
  }
};

module.exports = webpackConfig;