fix(2079/deadlock): avoid deadlock by updating env individually (#3339)

api/audit/models.py

@@ -116,16 +116,21 @@ def add_created_date(self) -> None:
         is_now=True,
     )
     def process_environment_update(self):
+        from environments.models import Environment
         from environments.tasks import process_environment_update
 
         environments_filter = Q()
         if self.environment_id:
             environments_filter = Q(id=self.environment_id)
 
-        # Use a queryset to perform update to prevent signals being called at this point.
-        # Since we're re-saving the environment, we don't want to duplicate signals.
-        self.project.environments.filter(environments_filter).update(
-            updated_at=self.created_date
-        )
+        environment_ids = self.project.environments.filter(
+            environments_filter
+        ).values_list("id", flat=True)
+
+        # Update environment individually to avoid deadlock
+        for environment_id in environment_ids:
+            Environment.objects.filter(id=environment_id).update(
+                updated_at=self.created_date
+            )
 
         process_environment_update.delay(args=(self.id,))