From 9f4735fa73c52c7e1b7d9ebcf9c5e66e0679cb48 Mon Sep 17 00:00:00 2001
From: SeongChan Lee <foriequal@gmail.com>
Date: Tue, 23 Jul 2024 12:04:56 +0900
Subject: [PATCH] Set minUnavailable to 0 to minimize downtime

---
 charts/pod-graceful-drain/templates/deployment.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/charts/pod-graceful-drain/templates/deployment.yaml b/charts/pod-graceful-drain/templates/deployment.yaml
index 1594ee7..ae3f36c 100644
--- a/charts/pod-graceful-drain/templates/deployment.yaml
+++ b/charts/pod-graceful-drain/templates/deployment.yaml
@@ -6,6 +6,9 @@ metadata:
     {{- include "pod-graceful-drain.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicaCount }}
+  strategy:
+    rollingUpdate:
+      maxUnavailable: 0
   selector:
     matchLabels:
       {{- include "pod-graceful-drain.selectorLabels" . | nindent 6 }}