From 7ca0f35d92c6ad54e8883bb7a5e405b4e6a18030 Mon Sep 17 00:00:00 2001
From: Mayne0213 <bluemayne0213@icloud.com>
Date: Sat, 3 Jan 2026 10:41:15 +0900
Subject: [PATCH] REFACTOR(traefik): change traefik anti-affinity

- from hard to soft
- Use preferredDuringSchedulingIgnoredDuringExecution instead of
  required
- Allows pods to be scheduled on same node if necessary
- Still prefers distribution across nodes (weight: 100)
---
 traefik/helm-values.yaml | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/traefik/helm-values.yaml b/traefik/helm-values.yaml
index ead57f0..a4a3818 100644
--- a/traefik/helm-values.yaml
+++ b/traefik/helm-values.yaml
@@ -9,14 +9,16 @@ spec:
     deployment:
       replicas: 3
 
-    # Pod Anti-Affinity - 각 노드에 최대 1개씩만 배치
+    # Pod Anti-Affinity - 가능하면 각 노드에 분산 배치 (soft)
     affinity:
       podAntiAffinity:
-        requiredDuringSchedulingIgnoredDuringExecution:
-          - labelSelector:
-              matchLabels:
-                app.kubernetes.io/name: traefik
-            topologyKey: kubernetes.io/hostname
+        preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchLabels:
+                  app.kubernetes.io/name: traefik
+              topologyKey: kubernetes.io/hostname
 
     # Master 노드에도 배치 허용
     tolerations: