Relax default scheduling affinity

helm/porthole/values.yaml

@@ -17,9 +17,11 @@ scheduling:
   compute:
     affinity:
       nodeAffinity:
-        requiredDuringSchedulingIgnoredDuringExecution:
+        # Prefer compute nodes when they exist, but don't require them.
-          nodeSelectorTerms:
+        preferredDuringSchedulingIgnoredDuringExecution:
-            - matchExpressions:
+          - weight: 100
+            preference:
+              matchExpressions:
                 - key: node-class
                   operator: In
                   values: