As part of interledger/rafiki#3148 some new environment variables were added:

• AUTH_SERVICE_API_URL: on backend, no default value in app, rafiki docs already updated to define helm name as backend.serviceUrls.AUTH_SERVICE_API_URL
• SERVICE_API_PORT: on auth, default value is 3011 in app, rafiki docs already updated to define helm name as auth.port.serviceAPIPort