[DOCS] Adds environment variable warning (#67623) (#68945)

* [DOCS] Adds wenvironment variable warning

* Updated note
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Kaarina Tungseth 2020-06-11 14:48:08 -05:00 committed by GitHub
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@ -82,14 +82,16 @@ services:
[[environment-variable-config]]
==== Environment variable configuration
Under Docker, Kibana can be configured via environment variables. When
Under Docker, {kib} can be configured via environment variables. When
the container starts, a helper process checks the environment for variables that
can be mapped to Kibana command-line arguments.
For compatibility with container orchestration systems, these
environment variables are written in all capitals, with underscores as
word separators. The helper translates these names to valid
Kibana setting names.
{kib} setting names.
WARNING: All information that you include in environment variables is visible through the `ps` command, including sensitive information.
Some example translations are shown here: