I have a docker with these env

docker ps
CONTAINER ID        IMAGE                  COMMAND                  CREATED             STATUS              PORTS                                            NAMES
9c46a3807d4f        dc_php-apache          "docker-php-entrypoi…"   21 hours ago        Up 21 hours>80/tcp,>443/tcp      dc_php-apache_1
2f3e7a799029        mariadb:10.3           "docker-entrypoint.s…"   21 hours ago        Up 21 hours         3306/tcp                                         dc_mariadb_1
6a40a702e37b        elasticsearch:7.8.1    "/tini -- /usr/local…"   21 hours ago        Up 21 hours>9200/tcp,>9300/tcp   dc_elasticsearch_1

Now when I run bin/magento setup:upgrade

I'm getting Could not validate a connection to Elasticsearch. No alive nodes found in your cluster I'm probably just missing a config somewhere but I want find where, activating or not the module Magento_InventoryElasticsearch doesn't seem to have any effect.

Thanks for your assistance !

  • your elastic search container and php-apache container need to be on the same docker network. Check whether you can ping dc_elasticsearch_1 from dc_php-apache_1. You should specify dc_elasticsearch_1 as the elasticsearch host in your config.
    – paj
    Jul 6, 2021 at 15:43
  • Actually i was just on the wrong database using a magento 2.4 docker when my database was configured for 2.3.
    – Claims
    Jul 8, 2021 at 20:27

1 Answer 1


Please check if you have --search-engine=elasticsearch7 in your install command. Also, check what happens if you enter the URL in the browser.

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