app.js

require('dotenv').config()
require('express-async-errors')

const helmet = require('helmet')
const cors = require('cors')
const xss = require('xss-clean')
const rateLimit = require('express-rate-limit')

//Swagger UI
const SwaggerUI = require('swagger-ui-express')
const YAML = require('yamljs')
const swaggerdoc = YAML.load('./swagger.yaml')

const express = require('express')
const app = express()

//Connect DB
const connectDB = require('./db/connect')
const userAuthentication = require('./middleware/authentication')

//Routers
const authRouter = require('./routes/auth')
const jobRouter = require('./routes/jobs')

// error handler
const notFoundMiddleware = require('./middleware/not-found')
const errorHandlerMiddleware = require('./middleware/error-handler')

app.set('trust proxy', 1)
app.use(
  rateLimit({
    windowMs: 15 * 60 * 1000,
    max: 100,
  })
)
app.use(express.json())
app.use(helmet())
app.use(cors())
app.use(xss())

app.get('/', (req, res) => {
  res.send(
    '<h1> Explore InterviewMate Api </h1> <a href="/api-docs">Documentation </a>'
  )
})

app.use('/api-docs', SwaggerUI.serve, SwaggerUI.setup(swaggerdoc))

// routes
app.use('/api/v1/auth', authRouter)
app.use('/api/v1/jobs', userAuthentication, jobRouter)

app.use(notFoundMiddleware)
app.use(errorHandlerMiddleware)

const port = process.env.PORT || 3000

const start = async () => {
  try {
    await connectDB(process.env.MONGO_URI)
    app.listen(port, () =>
      console.log(`Server is listening on port ${port}...`)
    )
  } catch (error) {
    console.log(error)
  }
}

start()