Initial commit: OAuth 2.0 인증 시스템 with APISIX API Gateway

- FastAPI 백엔드 + MongoDB + Redis 구성
- React + Vite + TypeScript + shadcn/ui 프론트엔드
- Apache APISIX API Gateway 통합
- Docker Compose 기반 개발 환경
- 3단계 권한 체계 (System Admin, Group Admin, User)
- 동적 테마 지원
- 환경별 설정 (dev/vei/prod)

🤖 Generated with Claude Code

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

.k8s/oauth-deployment.yaml

@@ -0,0 +1,88 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: oauth-backend
+  namespace: oauth-system
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: oauth-backend
+  template:
+    metadata:
+      labels:
+        app: oauth-backend
+    spec:
+      containers:
+      - name: backend
+        image: ${NEXUS_URL}/oauth-backend:${VERSION}
+        ports:
+        - containerPort: 8000
+        envFrom:
+        - configMapRef:
+            name: oauth-config
+        - secretRef:
+            name: oauth-secret
+        resources:
+          requests:
+            memory: "256Mi"
+            cpu: "250m"
+          limits:
+            memory: "512Mi"
+            cpu: "500m"
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: oauth-frontend
+  namespace: oauth-system
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: oauth-frontend
+  template:
+    metadata:
+      labels:
+        app: oauth-frontend
+    spec:
+      containers:
+      - name: frontend
+        image: ${NEXUS_URL}/oauth-frontend:${VERSION}
+        ports:
+        - containerPort: 80
+        resources:
+          requests:
+            memory: "128Mi"
+            cpu: "100m"
+          limits:
+            memory: "256Mi"
+            cpu: "200m"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: oauth-backend-service
+  namespace: oauth-system
+spec:
+  selector:
+    app: oauth-backend
+  ports:
+    - protocol: TCP
+      port: 8000
+      targetPort: 8000
+  type: ClusterIP
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: oauth-frontend-service
+  namespace: oauth-system
+spec:
+  selector:
+    app: oauth-frontend
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+  type: ClusterIP

.k8s/oauth-namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: oauth-system