```
{
"API_HOST": "string",
- "VOCABULARY_URL": "string",
"FILE_VIEWERS_CONFIG_URL": "string",
}
```
The `REACT_APP_ARVADOS_API_HOST` environment variable can be used to set the default URL if the run time configuration is unreachable.
-### VOCABULARY_URL
-Local path, or any URL that allows cross-origin requests. See
-[Vocabulary JSON file example](public/vocabulary-example.json).
-
-To use the URL defined in the Arvados cluster configuration, remove the entire `VOCABULARY_URL` entry from the runtime configuration. Found in `/config.json` by default.
-
## FILE_VIEWERS_CONFIG_URL
Local path, or any URL that allows cross-origin requests. See: