next.js/examples/with-carbon-components/next.config.js

const withSass = require('@zeit/next-sass')
const withImages = require('next-images')

module.exports = withImages(withSass({
  webpack (config) {
    config.module.rules.push({
      test: /\.(png|svg|eot|otf|ttf|woff|woff2)$/,
      use: {
        loader: 'url-loader',
        options: {
          limit: 100000,
          publicPath: './',
          outputPath: 'static/',
          name: '[name].[ext]'
        }
      }
    })

    return config
  }
}))