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Update setup-opentelemetry.md

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Signed-off-by: Jaeeun Lee <jaeeunl@adobe.com>
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Jaeeun Lee
2024-05-15 17:03:20 -04:00
parent d31ddb5cd2
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docs/tutorials/setup-opentelemetry.md
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@@ -65,13 +65,19 @@ You can now start your Backstage instance as usual, using `yarn dev`.
## Production Setup
In your `Dockerfile` add the `--require` flag which points to the `instrumentation.js` file
In your `Dockerfile`, copy `instrumentation.js` file into the root of the working directory.
```Dockerfile
COPY --chown=${NOT_ROOT_USER}:${NOT_ROOT_USER} packages/backend/src/instrumentation.js ./
```
And then add the `--require` flag that points to the file to the CMD array.
```Dockerfile
// highlight-remove-next-line
CMD ["node", "packages/backend", "--config", "app-config.yaml"]
// highlight-add-next-line
CMD ["node", "--require", "./src/instrumentation.js", "packages/backend", "--config", "app-config.yaml"]
CMD ["node", "--require", "./instrumentation.js", "packages/backend", "--config", "app-config.yaml"]
```
If you need to disable/configure some OpenTelemetry feature there are lots of [environment variables](https://opentelemetry.io/docs/specs/otel/configuration/sdk-environment-variables/) which you can tweak.