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install-elasticsearch-docker-compose.md

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navigation_title Multi-node cluster

Start a multi-node cluster with Docker Compose [docker-compose-file]

Use Docker Compose to start a three-node {{es}} cluster with {{kib}}. Docker Compose lets you start multiple containers with a single command.

Hardened Docker images [docker-wolfi-hardened-image]

:::{include} _snippets/wolfi.md :::

Configure and start the cluster [_configure_and_start_the_cluster]

  1. Install Docker Compose. Visit the Docker Compose docs to install Docker Compose for your environment.

    If you’re using Docker Desktop, Docker Compose is installed automatically. Make sure to allocate at least 4GB of memory to Docker Desktop. You can adjust memory usage in Docker Desktop by going to Settings > Resources.

  2. Create or navigate to an empty directory for the project.

  3. Download and save the following files in the project directory:

  4. In the .env file, specify a password for the ELASTIC_PASSWORD and KIBANA_PASSWORD variables.

    The passwords must be alphanumeric and can’t contain special characters, such as ! or @. The bash script included in the docker-compose.yml file only works with alphanumeric characters. Example:

    # Password for the 'elastic' user (at least 6 characters)
ELASTIC_PASSWORD=changeme

# Password for the 'kibana_system' user (at least 6 characters)
KIBANA_PASSWORD=changeme
...

  5. In the .env file, set STACK_VERSION to the current {{stack}} version.

    ...
# Version of Elastic products
STACK_VERSION={{stack-version}}
...

  6. By default, the Docker Compose configuration exposes port 9200 on all network interfaces.

    To avoid exposing port 9200 to external hosts, set ES_PORT to 127.0.0.1:9200 in the .env file. This ensures {{es}} is only accessible from the host machine.

    ...
# Port to expose {{es}} HTTP API to the host
#ES_PORT=9200
ES_PORT=127.0.0.1:9200
...

  7. To start the cluster, run the following command from the project directory.

    docker-compose up -d

  8. After the cluster has started, open http://localhost:5601 in a web browser to access {{kib}}.

  9. Log in to {{kib}} as the elastic user using the ELASTIC_PASSWORD you set earlier.

Stop and remove the cluster [_stop_and_remove_the_cluster]

To stop the cluster, run docker-compose down. The data in the Docker volumes is preserved and loaded when you restart the cluster with docker-compose up.

docker-compose down

To delete the network, containers, and volumes when you stop the cluster, specify the -v option:

docker-compose down -v

Next steps [_next_steps_6]

You now have a test {{es}} environment set up. Before you start serious development or go into production with {{es}}, review the requirements and recommendations to apply when running {{es}} in Docker in production.