From 2def99d163b7253abe2d3c8f6a90300c2a18db0c Mon Sep 17 00:00:00 2001
From: vikingowl <christian@nachtigall.dev>
Date: Fri, 27 Feb 2026 13:43:04 +0100
Subject: [PATCH] fix: switch backend deployment to RollingUpdate for zero
 downtime

maxUnavailable=0 ensures old pod stays up until new pod passes
readiness probes. maxSurge=1 allows one extra pod during rollout.
---
 backend/deploy/helm/templates/deployment.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/backend/deploy/helm/templates/deployment.yaml b/backend/deploy/helm/templates/deployment.yaml
index 96e9e14..190af1f 100644
--- a/backend/deploy/helm/templates/deployment.yaml
+++ b/backend/deploy/helm/templates/deployment.yaml
@@ -10,7 +10,10 @@ spec:
   replicas: {{ .Values.replicaCount }}
   {{- end }}
   strategy:
-    type: Recreate
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 0
+      maxSurge: 1
   selector:
     matchLabels:
       {{- include "marktvogt-backend.selectorLabels" . | nindent 6 }}