Docker cannot start Elasticsearch

If you run Elasticsearch in docker, you’ll probably run into the same issue as mine

ERROR: [1] bootstrap checks failed
elasticsearch_1      | [1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

To fix this, just run the following command:

sudo sysctl -w vm.max_map_count=262144
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Run Elastic and Kibana using Docker

Docker engine and docker compose is the fastest way to try out Elastic and Kibana together

# Need to change this setup, otherwise elastic will fail and exit with code 78
sudo sysctl -w vm.max_map_count=262144

Create a docker-compose.yml file in any folder

version: '2.2'
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.10.0
    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:
      - elastic

  es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.10.0
    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
    ports:
      - 9201:9201
    networks:
      - elastic

  es03:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.10.0
    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
    ports:
      - 9202:9202
    networks:
      - elastic

  kib01:
    image: docker.elastic.co/kibana/kibana:7.10.0
    container_name: kib01
    ports:
      - 5601:5601
    environment:
      ELASTICSEARCH_URL: http://es01:9200
      ELASTICSEARCH_HOSTS: http://es01:9200
    networks:
      - elastic

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

networks:
  elastic:
    driver: bridge

Next, let’s run and test

# Run this
docker-compose up
curl -X GET "localhost:9200/_cat/nodes?v&pretty"
# And then visit this url:
http://localhost:5601/app/kibana_overview#/

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