Sanity check replicaCount when determining if using PDB to avoid pods

that cannot be terminated, which causes k8s upgrades to fail.

templates/web/pdb.yaml

@@ -1,3 +1,4 @@
+{{- if or (and .Values.web.autoscaling.enabled (gt (.Values.web.autoscaling.minReplicas | int) 1)) (gt (.Values.web.replicaCount | int) 1) }}
 {{- if .Values.web.budget -}}
 {{- if .Values.web.budget.minAvailable -}}
 apiVersion: policy/v1beta1
@@ -14,3 +15,4 @@ spec:
       app.kubernetes.io/component: web
 {{- end -}}
 {{- end -}}
+{{- end -}}

values.yaml

@@ -23,13 +23,13 @@ web:
   port: 8080
   autoscaling:
     enabled: false
-    minReplicas: 1
+    minReplicas: 2
     maxReplicas: 10
     targetCPUUtilizationPercentage: 80
     # targetMemoryUtilizationPercentage: 80
 
   budget:
-    minAvailable: 1
+    minAvailable: 1 # Ignored when replicaCount is 1
   resources:
     limits:
       cpu: 1000m