hotelsync/backend/src/server.ts

import { db } from './db'
import { redis } from './redis'
import { runMigrations } from './migrate'
import { seedIfEmpty } from './seed'
import { buildApp } from './app'
import { config } from './config'

async function waitForDb(retries = 10, delayMs = 3000) {
  for (let i = 1; i <= retries; i++) {
    try {
      await db.query('SELECT 1')
      console.log('[db] Connected')
      return
    } catch {
      console.log(`[db] Not ready, retry ${i}/${retries}...`)
      await new Promise(r => setTimeout(r, delayMs))
    }
  }
  throw new Error('Database not available after retries')
}

async function main() {
  await waitForDb()
  await runMigrations()
  await seedIfEmpty()

  await redis.connect()
  console.log('[redis] Connected')

  const app = await buildApp()
  await app.listen({ port: config.port, host: '0.0.0.0' })
  console.log(`[server] Listening on :${config.port}`)
}

main().catch(err => {
  console.error('[server] Fatal error:', err)
  process.exit(1)
})