Fix ExecStartPre ordering: run routing before prestart#200
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Move configure-container-routing ahead of prestart.sh in the ExecStartPre chain so that the port registry is populated before prestart scripts read it. Previously, prestart ran first and could not find its assigned port on first boot, causing either silent misconfiguration (wrong port) or a permanent restart loop if prestart validates the port. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
configure-container-routingbeforeprestart.shin the systemd service template'sExecStartPrechainWithout this fix, any prestart script that reads the port registry (currently Grafana and Signal K) either gets the wrong port on first boot or enters a permanent restart loop if it validates the port.
Test plan
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