FEAT(app): add per-application ingress management

- Added ingress.yaml for production environment
- Updated kustomization file to include ingress resource
- Migrated from centralized ingress management to per-app architecture

deploy/k8s/overlays/prod/kustomization.yaml

@@ -7,6 +7,7 @@ resources:
   - ../../base
   - resourcequota.yaml
   - externalsecret.yaml
+  - ingress.yaml
 
 commonLabels:
   environment: production
@@ -14,5 +15,5 @@ commonLabels:
 # 이미지 태그 설정 (ArgoCD Image Updater가 자동으로 업데이트)
 images:
   - name: gitea0213.kro.kr/bluemayne/mas
-    newTag: main-sha-d37d2bf676f1f0e149fe3209b33786611d9271ce
+    newTag: main-sha-0a6ebdcd3a4c2113f6cb4ba40493566798d1c9e2