fastify_typescript_server_with_ping_route_and_schema.ts

1import Fastify, { FastifyInstance, RouteShorthandOptions } from 'fastify'
2
3const server: FastifyInstance = Fastify({})
4
5const opts: RouteShorthandOptions = {
6  schema: {
7    response: {
8      200: {
9        type: 'object',
10        properties: {
11          pong: {
12            type: 'string'
13          }
14        }
15      }
16    }
17  }
18}
19
20server.get('/ping', opts, async (request, reply) => {
21  return { pong: 'it works!' }
22})
23
24const start = async () => {
25  try {
26    await server.listen({ port: 3000 })
27
28    const address = server.server.address()
29    const port = typeof address === 'string' ? address : address?.port
30
31  } catch (err) {
32    server.log.error(err)
33    process.exit(1)
34  }
35}
36start()