Elasticsearch, Logstash, Kibana (ELK) stack docker-compose.yml (defaults, portable, no setup/config)

docker-compose.yml

version: '3'
services:
  es1:
    image:
      "docker.elastic.co/elasticsearch/elasticsearch:7.6.0"
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      - "discovery.type=single-node"
      - "bootstrap.memory_lock=true"
    ulimits:
      memlock:
        soft: -1
        hard: -1
  kb1:
    image:
      "docker.elastic.co/kibana/kibana:7.6.0"
    ports:
      - "5601:5601"
    links:
      - "es1:elasticsearch"
  ls1:
    image:
      "docker.elastic.co/logstash/logstash:7.6.0"
    tty:
      true
    links:
      - "es1:elasticsearch"