curl -X GET "https://mail.example.com/api/v1/get/status/containers" -H "X-API-Key: $MAILCOW_API_KEY"
Check health of all Mailcow containers via API
This returns every container with its state and health as seen by the watchdog. A container stuck unhealthy shows up here before mail delivery breaks. Poll it in monitoring scripts instead of parsing docker ps.
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