      <connector-services>
        <connector-service name="amqp-connector">
          <factory-class>org.apache.activemq.artemis.integration.amqp.AMQPConnectorServiceFactory</factory-class>
          <param key="host" value="$QUEUE_SCHEDULER_SERVICE_HOST" />
          <param key="port" value="$QUEUE_SCHEDULER_SERVICE_PORT" />
          <param key="containerId" value="$GROUP_ID" />
          <param key="groupId" value="$GROUP_ID" />
        </connector-service>
      </connector-services>

      <connector-services>
        <connector-service name="amqp-connector">
          <factory-class>org.apache.activemq.artemis.integration.amqp.AMQPConnectorServiceFactory</factory-class>
          <param key="host" value="$QUEUE_SCHEDULER_SERVICE_HOST" />
          <param key="port" value="$QUEUE_SCHEDULER_SERVICE_PORT" />
          <param key="containerId" value="$CONTAINER_ID" />
          <param key="groupId" value="$GROUP_ID" />
        </connector-service>
      </connector-services>

Use unique identifier of this broker as the container id
Use unique identifier of this broker as the container id

This allows the scheduler to identify each broker within a shard
