Kibana and Elasticsearch Docker compose

version: '3.1'
services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:6.5.4
    container_name: elasticsearch
    environment:
    - cluster.name=docker-cluster
    - http.cors.enabled=true
    - http.cors.allow-origin="*"
    - http.cors.allow-headers=X-Requested-With,X-Auth-Token,Content-Type,Content-Length,Authorization
    - http.cors.allow-credentials=true
    ports:
    - 9200:9200
    - 9300:9300
  kibana:
    image: docker.elastic.co/kibana/kibana:6.5.4
    volumes:
      - ./kibana.yml:/usr/share/kibana/config/kibana.yml
    environment:
      SERVER_HOST: 0.0.0.0
      ELASTICSEARCH_URL: http://elasticsearch:9200
    ports:
    - "5601:5601"
    - "8000:8000"
    depends_on:
       - elasticsearch