add pdb for redis (#1009)

Co-authored-by: Ariel Rolfo <arielr-lt+username@users.noreply.github.com>

Author: arielr-lt

terraform/environments/eks/k8s-manifests-prod/redis-deployment.yaml

@@ -15,6 +15,8 @@ spec:
     metadata:
       labels:
         app: redis
+      annotations:
+        cluster-autoscaler.kubernetes.io/safe-to-evict: "false"
     spec:
       priorityClassName: prod-high
       nodeSelector:

terraform/environments/eks/k8s-manifests-prod/redis-pdb.yaml

@@ -0,0 +1,10 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: redis-pdb
+  namespace: credreg-prod
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      app: redis