feat: Allow scaledown

charts/well-known/templates/pdb.yaml

@@ -0,0 +1,13 @@
+{{- if and (gt (.Values.replicaCount | int) 1) (.Values.podDisruptionBudget) }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "well-known.fullname" . }}
+  labels:
+    {{- include "well-known.labels" . | nindent 4 }}
+spec:
+  {{ toYaml .Values.podDisruptionBudget }}
+  selector:
+    matchLabels:
+      {{- include "well-known.selectorLabels" . | nindent 6 }}
+{{- end }}

charts/well-known/values.yaml

@@ -33,6 +33,8 @@ webserver:
   config:
     accessLogEnabled: false
 
+podDisruptionBudget: 
+  maxUnavailable: 1
 
 imagePullSecrets: []
 nameOverride: ""
@@ -47,7 +49,8 @@ serviceAccount:
   # If not set and create is true, a name is generated using the fullname template
   name: ""
 
-podAnnotations: {}
+podAnnotations:
+  cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
 
 podSecurityContext: {}
   # fsGroup: 2000