docker-compose.yml

version: '3.5'

services:

  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.3.2
    ports:
      - "9200:9200"
    environment:
      ES_JAVA_OPTS: "-Xmx2g -Xms2g"
      http.host: 0.0.0.0
      transport.host: 0.0.0.0
    networks:
      - elk

  logstash:
    image: docker.elastic.co/logstash/logstash-oss:6.3.2
    volumes:
      - ./logstash.conf:/usr/share/logstash/pipeline/logstash.conf
    ports:
      - "5000:5000"
    environment:
      LS_JAVA_OPTS: "-Xmx2g -Xms2g"
    networks:
      - elk
    depends_on:
      - elasticsearch

  kibana:
    image: docker.elastic.co/kibana/kibana-oss:6.3.2
    ports:
      - "5601:5601"
    environment:
      ELASTICSEARCH_URL: http://elasticsearch:9200
    networks:
      - elk
    depends_on:
      - elasticsearch

networks:
  elk:
    name: elk_net
    driver: bridge

logstash.conf

input {
  heartbeat {
    interval => 1
  }
}

output {
  elasticsearch {
    hosts => "elasticsearch:9200"
    index => "new"
  }

  stdout {}
}