Deploying Elasticsearch with Docker

2023-05-18

Docker

You need to have the docker service installed on the host.

Use the elasticsearch:7.10.1 image

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- Mount the main configuration file (xpack authentication is enabled in the main config)
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- Mount the data directory
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- Mount the log directory
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- Set the cluster mode to single-node
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- Configure the memory size used by ES

You can adjust the parameters as needed

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docker run -d --restart=always --user=root \
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    --privileged=true \
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    --name elasticsearch \
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    -p 9200:9200 \
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    -p 9300:9300 \
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    --ulimit nofile=65536:65536 \
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    -v "/data/elasticsearch/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml" \
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    -v "/data/elasticsearch/data":/usr/share/elasticsearch/data \
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    -v "/data/elasticsearch/logs":/usr/share/elasticsearch/logs \
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    -e "discovery.type=single-node" \
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    -e ES_JAVA_OPTS="-Xms8G -Xmx8G" \
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    elasticsearch:7.10.1

Server Directory Configuration Info##

Directory Info##

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# tree /data/elasticsearch/ -L 1
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/data/elasticsearch/
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├── data # data directory
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├── elasticsearch.yml  # configuration file
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└── logs # logs
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# mkdir /data/elasticsearch/{data,logs} -pv
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# cd /data/
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# chown 1000 elasticsearch -R

Configuration Info##

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# vim /data/elasticsearch/elasticsearch.yml
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cluster.name: "test_evescn"
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network.host: 0.0.0.0
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#xpack.security.enabled: true
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http.cors.allow-headers: Authorization
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xpack.security.enabled: true
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xpack.security.transport.ssl.enabled: true

Run the docker command to start the container##

You can adjust the parameters as needed

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docker run -d --restart=always --user=root \
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    --privileged=true \
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    --name elasticsearch \
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    -p 9200:9200 \
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    -p 9300:9300 \
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    --ulimit nofile=65536:65536 \
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    -v "/data/elasticsearch/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml" \
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    -v "/data/elasticsearch/data":/usr/share/elasticsearch/data \
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    -v "/data/elasticsearch/logs":/usr/share/elasticsearch/logs \
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    -e "discovery.type=single-node" \
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    -e ES_JAVA_OPTS="-Xms8G -Xmx8G" \
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    elasticsearch:7.10.1

Enable xpack authentication##

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# docker exec -it elasticsearch bash
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# elasticsearch-setup-passwords interactive
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.... Set passwords for the 6 es_xpack authentication accounts ....