I have a docker image of elasticsearch, version=7.0.1, I used the command to run the image docker run -d -p 9200:9200 -p 9301:9301 --name elastic_search -e "discovery.type=single-node" -e "xpack.security.enabled=true" -e "ELASTICSEARCH_USERNAME=john" -e "ELASTICSEARCH_PASSWORD=deer" -v elastic_sear…

The problem is here: 7.0.1 With this old version, you need a commercial license. Just use the latest version we released instead, 7.5.0 and you should be all set. At least use 7.1.x to have access to this free security feature.

Discuss the Elastic Stack

How to setup a basic authentication for Elasticsearch?

Elastic Stack Elasticsearch

dadoonet (David Pilato) December 3, 2019, 8:17am 4

I think you need to use ELASTIC_PASSWORD instead.
I shared an example (docker-compose) here: Create user in elasticsearch

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