백킹서비스 및 개발 관련 디렉토리 추가

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backing-service/install/postgres/values-user.yaml

@@ -0,0 +1,61 @@
+# PostgreSQL 아키텍처 설정
+architecture: standalone
+
+# 글로벌 설정
+global:
+  postgresql:
+    auth:
+      postgresPassword: "Hi5Jessica!"
+      replicationPassword: "Hi5Jessica!" 
+      database: "userdb"
+      username: "eventuser"
+      password: "Hi5Jessica!"
+  storageClass: "managed-premium"
+  
+# Primary 설정
+primary:
+  persistence:
+    enabled: true
+    storageClass: "managed-premium"
+    size: 10Gi
+  
+  resources:
+    limits:
+      memory: "4Gi"
+      cpu: "1"
+    requests:
+      memory: "2Gi"
+      cpu: "0.5"
+  
+  # 성능 최적화 설정  
+  extraEnvVars:
+    - name: POSTGRESQL_SHARED_BUFFERS
+      value: "1GB"
+    - name: POSTGRESQL_EFFECTIVE_CACHE_SIZE  
+      value: "3GB"
+    - name: POSTGRESQL_MAX_CONNECTIONS
+      value: "200"
+    - name: POSTGRESQL_WORK_MEM
+      value: "16MB"
+    - name: POSTGRESQL_MAINTENANCE_WORK_MEM
+      value: "256MB"
+
+  # 고가용성 설정
+  podAntiAffinityPreset: soft
+
+# 네트워크 설정
+service:
+  type: ClusterIP
+  ports:
+    postgresql: 5432
+
+# 보안 설정
+securityContext:
+  enabled: true
+  fsGroup: 1001
+  runAsUser: 1001
+
+# image: organization이 bitnami -> bitnamilegacy로 변경
+image:
+  registry: docker.io
+  repository: bitnamilegacy/postgresql