es01:
    # depends_on:
    #   setup:
    #     condition: service_healthy
    image: elasticsearch:${STACK_VERSION}
    volumes:
      # - certs:/usr/share/elasticsearch/config/certs
      - esdata01:/usr/share/elasticsearch/data
    networks:
      - es-net
    ports:
      - ${ELASTICSEARCH_PORT}:9200
    environment:
      - node.name=es01
      - cluster.name=${CLUSTER_NAME}
      - cluster.initial_master_nodes=es01,es02,es03
      - discovery.seed_hosts=es02,es03
      - ELASTIC_PASSWORD=${ELASTICSEARCH_PASSWORD}
      - bootstrap.memory_lock=true
      - xpack.security.enabled=false
      - action.destructive_requires_name=false
      # - xpack.security.http.ssl.enabled=true
      # - xpack.security.http.ssl.key=certs/es01/es01.key
      # - xpack.security.http.ssl.certificate=certs/es01/es01.crt
      # - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      # - xpack.security.http.ssl.verification_mode=certificate
      # - xpack.security.transport.ssl.enabled=true
      # - xpack.security.transport.ssl.key=certs/es01/es01.key
      # - xpack.security.transport.ssl.certificate=certs/es01/es01.crt
      # - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      # - xpack.security.transport.ssl.verification_mode=certificate
      # - xpack.license.self_generated.type=${LICENSE}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
    # healthcheck:
    #   test:
    #     [
    #       "CMD-SHELL",
    #       # "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'"
    #       "curl http://localhost:9200 | grep -q 'missing authentication credentials'"
    #     ]
    #   interval: 10s
    #   timeout: 10s
    #   retries: 120