是否可以使用IP连接到elasticsearch pods，但不使用pod名称

I have had success before specifying the hosts in my elasticsearch.yaml file by IP (hardcoding address:port) but I was told this is bad practice. I am trying to switch to using just the pod names for my ES cluster and now the pods aren't discovered/used as master. I have a elasticsearch.yml configMap for all 3 pods that I mount which has the following specs:I have had success before specifying the hosts