Sample docker-compose configuration for the ELK stack

docker-compose.elk.yml

version: "3"
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.2
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data01:/usr/share/elasticsearch/data
    ports:
      - 9200:9200
    networks:
      - elk
    healthcheck:
      test: curl --cacert /usr/share/elasticsearch/config/certs/ca/ca.crt -s https://localhost:9200 >/dev/null; if [[ $$? == 52 ]]; then echo 0; else echo 1; fi
      interval: 30s
      timeout: 10s
      retries: 5
  es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.2
    container_name: es02
    environment:
      - node.name=es02
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data02:/usr/share/elasticsearch/data
    networks:
      - elk
    healthcheck:
      test: curl --cacert /usr/share/elasticsearch/config/certs/ca/ca.crt -s https://localhost:9200 >/dev/null; if [[ $$? == 52 ]]; then echo 0; else echo 1; fi
      interval: 30s
      timeout: 10s
      retries: 5
  es03:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.2
    container_name: es03
    environment:
      - node.name=es03
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01,es02
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data03:/usr/share/elasticsearch/data
    networks:
      - elk
    healthcheck:
      test: curl --cacert /usr/share/elasticsearch/config/certs/ca/ca.crt -s https://localhost:9200 >/dev/null; if [[ $$? == 52 ]]; then echo 0; else echo 1; fi
      interval: 30s
      timeout: 10s
      retries: 5
  kibana:
    image: docker.elastic.co/kibana/kibana:7.4.2
    container_name: kibana
    environment:
      ELASTICSEARCH_HOSTS: '["http://es01:9200","http://es02:9200","http://es03:9200"]'
    ports: 
      - 5601:5601
    networks:
      - elk
    depends_on:
      - es01
      - es02
      - es03
    healthcheck:
      test: curl --cacert /usr/share/elasticsearch/config/certs/ca/ca.crt -s https://localhost:5601 >/dev/null; if [[ $$? == 52 ]]; then echo 0; else echo 1; fi
      interval: 30s
      timeout: 10s
      retries: 5
  logstash:
    image: docker.elastic.co/logstash/logstash:7.4.2
    container_name: logstash
    environment:
      ELASTICSEARCH_HOSTS: '["http://es01:9200","http://es02:9200","http://es03:9200"]'
    networks:
      - elk
    depends_on:
      - es01
      - es02
      - es03
    healthcheck:
      test: bin/logstash -t
      interval: 60s
      timeout: 50s
      retries: 5

volumes:
  data01:
    driver: local
  data02:
    driver: local
  data03:
    driver: local

networks:
  elk:
    driver: bridge