Alertmanager.spec.initContainers.env.valueFrom.configMapKeyRef.spec.secrets

secrets is a list of Secrets in the same namespace as the Alertmanager object, which shall be mounted into the Alertmanager Pods. Each Secret is added to the StatefulSet definition as a volume named `secret-<secret-name>`. The Secrets are mounted into `/etc/alertmanager/secrets/<secret-name>` in the 'alertmanager' container.