feat: nginx default_server 블록에 프록시 설정 추가

- 내부망 HTTP 요청 시 프론트엔드가 아닌 API로 정상 프록시되도록 수정
- /api/, /admin, /rb10508/, /rb8001/, /rb10408/, /skill-email/ 경로 추가
- 옵션 1 적용: 첫 번째 server 블록에도 프록시 설정 복사

server-nginx-default

@@ -51,6 +51,60 @@ server {
                 try_files $uri $uri/ /index.html;
         }
 
+        # API endpoints
+        location /api/ {
+            proxy_pass http://localhost:8000;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # Admin dashboard
+        location /admin {
+            proxy_pass http://localhost:8000;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # RB10508 API endpoints - 51124 서버로 프록시
+        location ^~ /rb10508/ {
+            proxy_pass http://192.168.219.52:10508/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # RB8001 API endpoints - 51124 서버로 프록시
+        location ^~ /rb8001/ {
+            proxy_pass http://192.168.219.52:8001/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # RB10408 API endpoints (희재님 테스트용) - 51124 서버로 프록시
+        location ^~ /rb10408/ {
+            proxy_pass http://192.168.219.52:10408/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
+        # Skill Email API endpoints
+        location /skill-email/ {
+            proxy_pass http://localhost:8501/;
+            proxy_set_header Host $host;
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+        }
+
         location /.well-known/acme-challenge/ {
             alias /var/www/html/.well-known/acme-challenge/;
         }