[DOC] Update Persist Keystore via Docker (#110917) (#112297)

From feedback from ES Devs summarized in [this Elastic Discuss](https://discuss.elastic.co/t/persist-elasticsearch-kibana-keystores-with-docker/283099), Adding to [this doc section](https://www.elastic.co/guide/en/kibana/7.14/docker.html#bind-mount-config) information on persisting keystores. [ES related PR](elastic/elasticsearch#77155) Co-authored-by: gchaps <[email protected]> Co-authored-by: Stef Nestor <[email protected]> Co-authored-by: gchaps <[email protected]>
elastic · Sep 15, 2021 · 6cef805 · 6cef805
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commit 6cef805
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diff --git a/docs/setup/docker.asciidoc b/docs/setup/docker.asciidoc
@@ -93,6 +93,16 @@ services:
       - ./kibana.yml:/usr/share/kibana/config/kibana.yml
 --------------------------------------------
 
+==== Persist the {kib} keystore
+
+By default, {kib] auto-generates a keystore file for secure settings at startup. To persist your {kibana-ref}/secure-settings.html[secure settings], use the `kibana-keystore` utility to bind-mount the parent directory of the keystore to the container. For example:
+
+[source,sh]
+----
+docker run -it --rm -v full_path_to/config:/usr/share/kibana/config -v full_path_to/data:/usr/share/kibana/data docker.elastic.co/kibana/kibana:7.14.0 bin/kibana-keystore create
+docker run -it --rm -v full_path_to/config:/usr/share/kibana/config -v full_path_to/data:/usr/share/kibana/data docker.elastic.co/kibana/kibana:7.14.0 bin/kibana-keystore add test_keystore_setting
+----
+
 [float]
 [[environment-variable-config]]
 ==== Environment variable configuration