create-nuxt-app/template/frameworks/fastify/server/index.js

Create a Nuxt.js App in seconds.

const { Nuxt, Builder } = require('nuxt<% if (edge) { %>-edge<% } %>')
const fastify = require('fastify')({
  logger: true
})

// Import and Set Nuxt.js options
const config = require('../nuxt.config.js')
config.dev = !(process.env.NODE_ENV === 'production')

async function start() {
  // Instantiate nuxt.js
  const nuxt = new Nuxt(config)

  const {
    host = process.env.HOST || '127.0.0.1',
    port = process.env.PORT || 3000
  } = nuxt.options.server

  // Build only in dev mode
  if (config.dev) {
    const builder = new Builder(nuxt)
    await builder.build()
  } else {
    await nuxt.ready()
  }

  fastify.use(nuxt.render)

  fastify.listen(port, host, (err, address) => {
    if (err) {
      fastify.log.error(err)
      process.exit(1)
    }
  })
}

start()