hooks.js

const { hooks } = require('@adonisjs/ignitor')

hooks.after.httpServer(() => {
  use('App/Controllers/Http/NuxtController')
})

NuxtBuild.js

const Config = use('Config')
const { Command } = require('@adonisjs/ace')
const { Nuxt, Builder } = require('nuxt')

class NuxtBuild extends Command {
  static get signature () {
    return 'nuxt:build'
  }

  static get description () {
    return 'Build nuxt app for production'
  }

  async handle (args, options) {
    let config = Config.get('nuxt')
    config.dev = false
    this.nuxt = new Nuxt(config)
    this.info('Building nuxt app for production')

    try {
      await new Builder(this.nuxt).build()
      this.info('Production build completed')
    } catch (error) {
      console.log('NuxtBuild Error', error)
    }
  }
}

module.exports = NuxtBuild

NuxtController.js

const { Nuxt, Builder } = require('nuxt')
const Env = use('Env')
const Config = use('Config')
class NuxtController {
  constructor () {
    let config = Config.get('nuxt')
    config.dev = Env.get('NODE_ENV') === 'development'
    this.nuxt = new Nuxt(config)
    // Start build process (only in development)
    if (config.dev) {
      new Builder(this.nuxt).build().catch(error => {
        console.error(error)
        process.exit(1)
      })
    }
  }
  render ({ request, response }) {
    response.implicitEnd = false
    this.nuxt.render(request.request, response.response)
  }
}

module.exports = new NuxtController()