This does the job:
```
$ helm install --values values-swh-application-versions.yaml --values swh/values/default.yaml --values swh/values/staging.yaml swh-test swh --dry-run --debug --set namespace=test 2>&1 | grep -A10 config.yml | head
config.yml: |
search:
cls: remote
url: http://search0.internal.staging.swh.network:5010
storage:
cls: remote
url: http://webapp.internal.staging.swh.network:5002
debug: yes
server-type: wsgi
```