Fix so nginx doesn't get started with an invalid api_backends.conf file.
Fix so nginx doesn't get started with an invalid api_backends.conf file.

NREL/api-umbrella-router,NREL/api-umbrella-router,apinf/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,OdiloOrg/api-umbrella-router,NREL/api-umbrella,OdiloOrg/api-umbrella-router,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella-router,OdiloOrg/api-umbrella-router,NREL/api-umbrella