chore(internal docs): add note about cue versioning (#15910)

Add note about CUE versioning
vectordotdev · Jan 11, 2023 · 4b2b713 · 4b2b713
1 parent d04c4f5
commit 4b2b713
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/docs/DOCUMENTING.md b/docs/DOCUMENTING.md
@@ -45,6 +45,14 @@ is driven by structured data defined in the [`/website/cue`](../website/cue)
 directory. [CUE](https://cuelang.org) is a declarative configuration language
 suitable for complex data definitions.
 
+### Installing CUE
+
+Cue can be [installed](https://cuelang.org/docs/install/) from package managers,
+however it may be necesary to install it from source in order to use the correct
+version that Vector depends on. Currently Vector is using `v0.4.2`. Using a CUE
+version different than this may result in CUE check/build errors. We are aiming
+to improve the developer experience around external tool dependencies ([#15909](https://github.com/vectordotdev/vector/issues/15909)).
+
 ### Formatting
 
 Vector has some CUE-related CI checks that are run whenever changes are made to