diff --git a/docs/tutorials/setup-opentelemetry.md b/docs/tutorials/setup-opentelemetry.md
index cba8ba7049..ea3351245a 100644
--- a/docs/tutorials/setup-opentelemetry.md
+++ b/docs/tutorials/setup-opentelemetry.md
@@ -66,6 +66,12 @@ You can now start your Backstage instance as usual, using `yarn dev`.
 
 ## Production Setup
 
+In your '.dockerignore', add this line:
+```
+!packages/backend/src/instrumentation.js
+```
+This ensures that Docker build will not ignore the instrumentation file if you are following the recommended `.dockerignore` setup.
+
 In your `Dockerfile`, copy `instrumentation.js` file into the root of the working directory.
 
 ```Dockerfile