elasticsearch docker compose

docker-compose.yml

version: "3.7"
services:
  elasticsearch: &base
    image: elasticsearch:7.5.2
    environment:
      # - discovery.type=single-node
      - node.name=elasticsearch
      - discovery.seed_hosts=noh2
      - cluster.initial_master_nodes=elasticsearch,noh2
      - cluster.routing.allocation.disk.watermark.low=0.99
      - cluster.routing.allocation.disk.watermark.high=0.99
      - cluster.routing.allocation.disk.watermark.flood_stage=0.99
    expose:
      - "9200"
      - "9300"
    ports:
      - "9200:9200"
      - "9300:9300"
  noh2:
    <<: *base
    environment:
      - node.name=noh2
      - discovery.seed_hosts=elasticsearch
    ports:
      - "9301:9300"
  kibana:
    image: kibana:7.5.2
    depends_on:
      - elasticsearch
    ports:
      - "5601:5601"