perf: try to ensure pods are evenly distributed

Author: william-silversmith

deployment.yaml

@@ -15,6 +15,22 @@ spec:
         app: igneous
     spec:
       dnsPolicy: Default
+      topologySpreadConstraints:
+        - maxSkew: 1
+          topologyKey: "kubernetes.io/hostname"
+          whenUnsatisfiable: ScheduleAnyway
+          labelSelector:
+            matchLabels:
+              app: igneous
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                topologyKey: "kubernetes.io/hostname"
+                labelSelector:
+                  matchLabels:
+                    app: igneous
       containers:
         - name: igneous
           image: seunglab/igneous