Node roles -> for node coordinator

Elastic Orchestration Elastic Cloud on Kubernetes (ECK)
1

Hi I need to be sure how should I define in docker compose node roles as I need to create one coordinator node per host.
According to guide from elastic page I should leave empty space for node.roles= for coordinating node? https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-node.html#coordinating-only-node

for example

 es04:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.15.0
    container_name: es04
    environment:
      - node.name=es04
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es02,es03
      - cluster.initial_master_nodes=es01,es02,es03,es04
      - node.roles=master,data_frozen

es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.15.0
    container_name: es02
    environment:
      - node.name=es02
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es03,es04
      - cluster.initial_master_nodes=es01,es02,es03,es04
      - node.roles=
      - path.repo=/usr/share/elasticsearch/snapshots
      #- bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    mem_limit: 1Gb
    volumes:
      - warm_data:/usr/share/elasticsearch/data
      - snapshots:/usr/share/elasticsearch/snapshots
    networks:
      - elastic
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