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Cloud Function Not Resolvable without dns_search

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Tanner Meade
6 Mar, 2025, 01:03

I ran into an issue with the deployment container for a cloud function not being resolvable (error: Internal curl errors has occurred within the executor! Error Number: 6. Error Msg: Could not resolve host: 67c8f2a927952 Error Code: 500). After further investigation, the docker DNS server in the runtimes network was appending .runtimes to the end of the 67c8f2a927952 record so it was only discoverable by 67c8f2a927952.runtimes. I found that I could work around this by adding dns_search: runtimes to the docker-compose.yml for the executor service, however I haven't ran into this issue before. I'm running Docker version 28.0.1, build 068a01e and my best guess is that Appwrite doesn't officially support that version. Am I right? If so, what is the supported version of docker?

TL;DR
Cloud function deployment container not resolvable, error due to Docker DNS appending '.runtimes'. Workaround: Add 'dns_search: runtimes' to docker-compose.yml. The issue might be due to unsupported Docker version 28.0.1, try upgrading to a supported version.
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