linux-odyssey/server/src/index.js

import fs from 'fs/promises'
import express from 'express'
import http from 'http'
import YAML from 'yaml'
import swaggerUI from 'swagger-ui-express'

import socketServer from './api/socket.js'
import connectDB from './db.js'
import apiRouter from './api/routes/index.js'

async function main() {
  const port = 3000
  const app = express()
  const server = http.createServer(app)
  socketServer(server)
  await connectDB()

  const file = await fs.readFile('./swagger.yaml', 'utf8')
  const swaggerDocument = YAML.parse(file)
  app.use('/api-docs', swaggerUI.serve, swaggerUI.setup(swaggerDocument))
  app.use(express.json())

  app.get('/', (req, res) => {
    res.send('Hello World!')
  })

  app.use('/api/v1', apiRouter)

  server.listen(port, () => {
    console.log(`Server listening at http://localhost:${port}`)
  })
}

main().catch((err) => console.log(err))