ELK on docker-compose

version: '2.2'
services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.12.0
    container_name: elasticsearch
    environment:
      discovery.type: "single-node"
    volumes:
      - /root/elasticsearch:/usr/share/elasticsearch/data
    ports:
      - 9200:9200

  kibana:
    image: docker.elastic.co/kibana/kibana:7.12.0
    container_name: kibana
    environment:
      elasticsearch.hosts: "elasticsearch:9200"
    ports:
      - 5601:5601