Use COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT config for ExtraHosts in Docker#825
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MadLittleMods merged 2 commits intomainfrom Dec 19, 2025
Merged
Use COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT config for ExtraHosts in Docker#825MadLittleMods merged 2 commits intomainfrom
COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT config for ExtraHosts in Docker#825MadLittleMods merged 2 commits intomainfrom
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MadLittleMods
commented
Dec 8, 2025
| // Note: this feature of docker landed in Docker 20.10, | ||
| // see https://github.com/moby/moby/pull/40007 | ||
| extraHosts = []string{"host.docker.internal:host-gateway"} | ||
| extraHosts = []string{fmt.Sprintf("%s:host-gateway", cfg.HostnameRunningComplement)} |
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This is the main change.
Using the value from our config instead of hard-coded.
Reference: COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT -> HostnameRunningComplement
MadLittleMods
commented
Dec 8, 2025
| HostnameRunningDocker = "localhost" | ||
| // HostnameRunningComplement is the hostname of Complement from the perspective of a Homeserver. | ||
| HostnameRunningComplement = "host.docker.internal" | ||
| ) |
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Removing as these seem unused
MadLittleMods
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Dec 8, 2025
| // Note: this feature of docker landed in Docker 20.10, | ||
| // see https://github.com/moby/moby/pull/40007 | ||
| extraHosts = []string{"host.docker.internal:host-gateway"} | ||
| extraHosts = []string{fmt.Sprintf("%s:host-gateway", cfg.HostnameRunningComplement)} |
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It looks like this regressed in #389
(previously, we we're using HostnameRunningComplement here)
devonh
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Dec 19, 2025
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Seems reasonable to me. Hopefully this is transparent to people and nobody sees any breakages in their own setups.
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Thanks for the review @devonh 🐊 |
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Use
COMPLEMENT_HOSTNAME_RUNNING_COMPLEMENTconfig forExtraHostsin DockerThis isn't spawning from any problem (and I'm not making this change to fix anything specifically although probably fixes podman support). Internally, at Element, we're playing around with adding our own self-hosted GitHub runners and this piece of code was pointed out. I noticed it hard-coded
host.docker.internalinstead of using the config (fromCOMPLEMENT_HOSTNAME_RUNNING_COMPLEMENT) which seemed a bit suspect.It looks like this regressed in #389 (previously, we we're using
HostnameRunningComplementhere)Pull Request Checklist