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Johnathan Corgan
611f045d33
The compose pinned 172.31.0.0/24 with a per-container ipv4_address, so two concurrent runs of this suite asked docker for the same address space and the second failed with a pool-overlap error. Request no subnet instead and let docker assign one from the daemon pool, which leaves nothing for two runs to contend for. Peers now address each other by the docker hostname the compose already sets (host-a through host-f) rather than by literal IP, and docker's embedded DNS is per-network, so the same hostname in two runs resolves inside each run's own subnet. The generated config directory moves under the run suffix in the same change, because it has to: the generator does rm -rf on it, so a shared directory means one run deletes the fixtures another is still using, which fails silently rather than loudly at bring-up. Scoping it requires the generator output path, all five bind-mount sources per service, and the gitignore entry together; scoping only the generator leaves the compose reading the unscoped path. The floating subnet removes one of the two obstacles to running this suite twice at once, not both: the compose project name is still fixed, and nothing scopes it for this suite. Recorded at the site so the comment does not claim more than the change delivers.
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generated-configs*
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