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408 Timeout / Curl Error 7 in Executor when accessing deployed site (Self-Hosted)

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Lars
21 Apr, 2026, 19:03

Hey everyone, I am losing my mind over a routing loop/timeout issue on a fresh self-hosted setup. I have a single Linux VPS (IP: 45.141.37.105) and one domain (vietsoul.de).

The main Appwrite console works perfectly at appwrite.vietsoul.de. However, when I try to access my deployed site at vietsoul.de, the browser hangs and eventually throws a 408 Synchronous function execution timed out.

My Setup:

  • Appwrite 1.9.0 (Self-Hosted via docker-compose)
  • Cloudflare DNS: A Records for appwrite, sites, functions, www, and @ are all pointing to the VPS IP. Proxy status is set to DNS Only so Appwrite handles Let's Encrypt SSL.
  • .env targets: _APP_DOMAIN="appwrite.vietsoul.de", _APP_DOMAIN_SITES="sites.vietsoul.de"

The Logs:

TypeScript
[Error] Type: Exception
[Error] Message: Internal curl error has occurred within the executor! Error Number: 7
[Error] File: /usr/local/src/Executor/Runner/Docker.php
[Error] Line: 1161

What I have already tried (that did not fix it):

  1. Server Resources: Verified my VPS has plenty of RAM (5.5GB free, no swapping).
  2. Cleaned up Runtimes: Reduced _APP_FUNCTIONS_RUNTIMES down to just node-20.0,node-21.0,node-22,php-8.0,php-8.3,static-1,flutter-3.29 to prevent network daemon overload.
  3. IPv6: Emptied _APP_DOMAIN_TARGET_AAAA= to prevent IPv6 routing blackholes.
  4. Internal DNS / Hairpin NAT routing: I tried adding extra_hosts to the executor for host-gateway. When that failed, I added network aliases to the traefik container for both the appwrite and runtimes networks to force internal DNS resolution.

It seems like the temporary build container on the runtimes network is failing to reach appwrite.vietsoul.de to download the deployment tarball, resulting in the connection refused (Error 7) and the subsequent 408 timeout.

Does anyone know the exact docker-compose routing fix to allow the build containers to resolve the main Appwrite domain on a single-node setup?

TL;DR
Developers experiencing 408 Timeout and Curl Error 7 when trying to access a deployed site in a self-hosted setup using Appwrite. The issue seems to be related to the build container failing to reach the main Appwrite domain. They have tried various troubleshooting steps like checking server resources, cleaning up runtimes, disabling IPv6, and modifying internal DNS settings without success. **Solution:** Try adjusting the Docker Compose file to ensure proper routing for build containers to resolve the main Appwrite domain in a single-node setup.
Lars
21 Apr, 2026, 19:05

I tried debugging it with google gemini, but that thing just seemed to send me into even more destruction...

I never worked with docker tbh and this is my first self hosted Appwrite so i just counted on AI helping me fix 1-2 errors, but i legit got nowhere

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