'use strict' const fastify = require('../fastify')() fastify.addSchema({ $id: 'https://foo/common.json', definitions: { response: { $id: '#reply', type: 'object', properties: { hello: { $id: '#bar', type: 'string' } } } } }) const opts = { schema: { response: { 200: { $ref: 'https://foo/common.json#reply' } } } } fastify .get('/', opts, function (req, reply) { reply.send({ hello: 'world' }) }) fastify.listen(3000, err => { if (err) throw err console.log(`server listening on ${fastify.server.address().port}`) })