Add DISABLE_USER_MGMT config value to Flask app

Author: AndrewEckart

DEPLOYMENT.md

@@ -162,6 +162,7 @@ or [mino](https://github.com/helm/charts/tree/master/stable/minio#configuration)
 | `app.rabbitmq.retry_interval`        | Number of seconds to wait between RabbitMQ retries on startup | 10                                         |
 | `app.replicas`                       | Number of App pods to start. Experimental!       | 1                                                       |
 | `app.auth`                           | Enable authentication or allow unfettered access (Python boolean string) | `false`                         |
+| `app.disableUserMgmt`                | Opt out of built-in ServiceX user management system | `false`
 | `app.globusClientID`                 | Globus application Client ID                     | -                                                       |
 | `app.globusClientSecret`             | Globus application Client Secret                 | -                                                       |
 | `app.adminEmail`                     | Email address for initial admin user             | [email protected]                                       |

servicex/templates/app/configmap.yaml

@@ -22,6 +22,9 @@ data:
     # Enable JWT auth on public endpoints
     ENABLE_AUTH={{- ternary "True" "False" .Values.app.auth }}
 
+    # Disable user management system
+    DISABLE_USER_MGMT = {{ ternary "True" "False" .Values.app.disableUserMgmt }}
+
     # Globus configuration
     GLOBUS_CLIENT_ID = '{{ .Values.app.globusClientID }}'
     GLOBUS_CLIENT_SECRET = '{{ .Values.app.globusClientSecret }}'