Vue SPA를 위한 Fastify 백엔드

import Fastify from 'fastify'

const app = Fastify({
  logger: true
})

await app.listen({ port: 3000, host: '0.0.0.0' })

import cors from '@fastify/cors'

await app.register(cors, {
  origin: 'http://localhost:5173',
  credentials: true // allow cookies
})

import fastifyStatic from '@fastify/static'
import { join } from 'node:path'

await app.register(fastifyStatic, {
  root: join(process.cwd(), 'dist'),
  prefix: '/'
})

app.setNotFoundHandler((req, reply) => {
  // let the Vue router handle non-API paths
  if (req.url.startsWith('/api')) {
    return reply.code(404).send({ error: 'Not found' })
  }
  return reply.sendFile('index.html')
})

import rateLimit from '@fastify/rate-limit'

await app.register(rateLimit, {
  max: 100,            // requests
  timeWindow: '1 minute'
})

app.post('/api/users', {
  schema: {
    body: {
      type: 'object',
      required: ['email', 'name'],
      properties: {
        email: { type: 'string', format: 'email' },
        name: { type: 'string', minLength: 1 }
      }
    }
  }
}, async (req) => {
  return createUser(req.body)
})

app.get('/api/users/:id', {
  schema: {
    response: {
      200: {
        type: 'object',
        properties: {
          id: { type: 'number' },
          name: { type: 'string' }
          // password is omitted, never serialized
        }
      }
    }
  }
}, getUserHandler)

async function userRoutes(app) {
  app.get('/', listUsers)
  app.post('/', createUser)
}

await app.register(userRoutes, { prefix: '/api/users' })

await app.register(cors, corsOpts)
await app.register(rateLimit, rlOpts)
await app.register(userRoutes, { prefix: '/api/users' })
await app.register(fastifyStatic, staticOpts) // last