Headless Service (StatefulSet)

The serviceName option expects a string that will be used as a name for the headless service if the component will be deployed as a StatefulSet instead of a Deployment. This happens automatically when one of the containers mounts a persistent volume.

Default Value For serviceName

serviceName: "[COMPONENT_NAME]-headless"

Example: Custom Name for Headless Service

containers:
- image: mysql
  volumeMounts:
  - containerPath: /var/lib/mysql
    volume:
      name: mysql-data
      subPath: /mysql
      readOnly: false
volumes:
- name: mysql-data
  size: "5Gi"
serviceName: "custom-name-for-headless-service"

Explanation:
Instead of the default name backend-headless, the headless service for the ReplicaSet created by this component would be custom-name-for-headless-service.