How to change default elasticsearch password in docker-compose?

Question

Elasticsearch's official docker image documentation provides this docker-compose.yml example:

version: '2'
services:
  elasticsearch1:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.3
    container_name: elasticsearch1
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    mem_limit: 1g
    volumes:
      - esdata1:/usr/share/elasticsearch/data
    ports:
      - 9200:9200
    networks:
      - esnet
  elasticsearch2:
    image: docker.elastic.co/elasticsearch/elasticsearch:5.6.3
    environment:
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - "discovery.zen.ping.unicast.hosts=elasticsearch1"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    mem_limit: 1g
    volumes:
      - esdata2:/usr/share/elasticsearch/data
    networks:
      - esnet

volumes:
  esdata1:
    driver: local
  esdata2:
    driver: local

networks:
  esnet:

However, it doesn't explain how to customize the password. It does direct us to a X-Pack documentation page, but I refuse to believe I have to go through all that trouble just to change a password. Is there any simpler, canonical way of configuring a custom password for elasticsearch on a Docker Compose file?

Elad Tamary · Accepted Answer · 2018-02-05 13:58:28Z

10

Starting from 6.0 elasticsearch docker images has the ability to configure the password using the following environment variable - ELASTIC_PASSWORD.
For example:
docker run -e ELASTIC_PASSWORD=MagicWord docker.elastic.co/elasticsearch/elasticsearch-platinum:6.1.3
See: https://www.elastic.co/guide/en/elasticsearch/reference/6.1/docker.html

answered Feb 5, 2018 at 13:58

Elad Tamary

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3 Comments

Alex Over a year ago

Did they delete it? Because I don't see this variable in the new docs for 6.x? elastic.co/guide/en/elasticsearch/reference/6.x/docker.html

hwkd Over a year ago

Just FYI, I've confirmed that setting the env variable ELASTIC_PASSWORD works in elasticsearch:7.9.1

stopsopa Over a year ago

It looks like ELASTIC_PASSWORD variable is supported only in platinum version of the docker image: elastic.co/guide/en/elasticsearch/reference/6.1/…

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