Nuxt/test/fixtures/https/nuxt.config.js

import fs from 'fs'
import path from 'path'

export default {
  server: {
    https: {
      key: fs.readFileSync(path.resolve(__dirname, 'server.key')),
      cert: fs.readFileSync(path.resolve(__dirname, 'server.crt'))
    }
  }
}