const fastify = require('fastify')({ logger: true }); fastify.route({ method: 'GET', url: '/', schema: { querystring: { }, response: { 200: { } } }, preHandler: async (res, reply) => { }, handler: async (res, reply) => { } }) try { await fastify.listen({ port: 3000 }) } catch (err) { fastify.log.error(err) process.exit(1) }