feat: add strategy to deployment for helmchart

deploy/charts/litellm-helm/templates/deployment.yaml

@@ -13,6 +13,10 @@ spec:
   {{- if and (not .Values.keda.enabled) (not .Values.autoscaling.enabled) }}
   replicas: {{ .Values.replicaCount }}
   {{- end }}
+  {{- with .Values.strategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "litellm.selectorLabels" . | nindent 6 }}

deploy/charts/litellm-helm/values.yaml

@@ -35,6 +35,14 @@ deploymentLabels: {}
 podAnnotations: {}
 podLabels: {}
 
+# -- Deployment strategy configuration
+# Example:
+#   type: RollingUpdate
+#   rollingUpdate:
+#     maxUnavailable: 0
+#     maxSurge: 1
+strategy: {}
+
 terminationGracePeriodSeconds: 90
 topologySpreadConstraints:
   []