Rename backup process label

restic_volume_backup/containers.py

@@ -43,7 +43,7 @@ class Container:
     @property
     def is_backup_process_container(self):
         """Is this container the running backup process?"""
-        return self.labels.get('restic-volume-backup.runner') == 'True'
+        return self.labels.get('restic-volume-backup.backup_process') == 'True'
 
     @property
     def is_running(self):

tests/tests.py

@@ -155,7 +155,7 @@ class ResticBackupTests(unittest.TestCase):
             {
                 'service': 'backup_runner',
                 'labels': {
-                    'restic-volume-backup.runner': 'True',
+                    'restic-volume-backup.backup_process': 'True',
                 },
             },
         ]