blog.hoelee.com/ devops/ telegram-notifications-die
root@dsm — carousell-monitor
$docker logs carousell-monitor --tail 8
2026-09-08 20:45:41INFOscraping "uniform" — 49 cards parsed
2026-09-08 20:45:42INFO2 new listings → archiving to NocoDB
2026-09-08 20:45:44WARNtelegram sendPhoto failed: 400 nginx/1.30.1
2026-09-08 20:45:44WARNtelegram sendMessage failed: 400 nginx/1.30.1
$getent hosts api.telegram.org
2001:67c:4e8:f004::9api.telegram.org  ← IPv6 only, no A record
$fix = extra_hosts → IPv4 · multipart join → binary-safe
 → delivered ✓
$▌
1Collect listings
→
2sendPhoto 400
→
3DNS → IPv6 only
→
4multipart fix
→
5delivered ✓