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Clarify usage of printf over echo for displaying env variables #213

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bastjan merged 1 commit into from
Dec 18, 2025
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Clarify usage of printf over echo for displaying env variables #213

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4 changes: 3 additions & 1 deletion docs/modules/ROOT/pages/how-to/use-custom-grafana.adoc
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Expand Up @@ -154,7 +154,9 @@ We recommend to fall back to `GET`.
[NOTE]
====
You need to substitute `$CA`, `$TOKEN`, and `$\{APP_NAMESPACE}` with the values of the environment variables set earlier.
You can easily display their contents using `echo`.
You can easily display their contents using `printf "%s" "$CA"`.

Note that using `echo` to output variables might mangle line breaks and could lead to the configuration failing.

Make sure to not use quotes for the custom query parameters.
Using `namespace="my-app"` will result in permission errors, use `namespace=my-app`.
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