server.js

import http from 'http'
import mongoose from 'mongoose'

import { app } from './app.js'
import config from './config/appConfig.js'
import { connectionOptions, getConnectionString, Management } from './db/index.js'

export default async function runServer (...args) {
  try {
    const uri = getConnectionString()
    const db = await mongoose.connect(uri, connectionOptions)

    await Management.initManagementSettings()

    const server = http.createServer(app)
    server.on('error', (error) => {
      console.log('Error:', error.message)
      server.close()
    })
    server.listen(config.port, () => {
      console.log(`Server running on port ${config.port}`)
    })

    process.on('SIGTERM', () => {
      server.close(() => {
        console.log('HTTP server closed.')
        db.connection.close(false, () => {
          console.log('MongoDB server closed.')
        })
      })
    })
  } catch (err) {
    if (err.name === 'MongooseServerSelectionError') {
      console.log('ERROR: MongooseServerSelectionError')
    } else {
      console.log('ERROR:', err.name)
    }

    process.exit(1)
  }
}