Clarify precedence in Kustomization substituteFrom

Signed-off-by: Serge van Ginderachter <[email protected]>
fluxcd · Dec 6, 2024 · 2df3f4b · 2df3f4b
1 parent 933ef1f
commit 2df3f4b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/docs/spec/v1/kustomizations.md b/docs/spec/v1/kustomizations.md
@@ -609,8 +609,11 @@ stringData:
   token: ${token}
 ```
 
-The var values which are specified in-line with `substitute`
+**Note:** The var values which are specified in-line with `substitute`
 take precedence over the ones derived from `substituteFrom`.
+When var values for the same keys/variable names are derived from multiple
+`ConfigMaps` or `Secrets` referenced in the `substituteFrom` list, then the 
+formers take precedence over the latters.
 
 **Note:** If you want to avoid var substitutions in scripts embedded in
 ConfigMaps or container commands, you must use the format `$var` instead of