diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 9f42745..5498a27 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -3,20 +3,23 @@ services:
     build:
       target: build-stage
     command: npm run dev -- --host 0.0.0.0 --port 80
-    ports:                          
-      - "5173:80"                    
+    ports:
+      - "${FRONTEND_PORT}:80"
     environment:
       - CHOKIDAR_USEPOLLING=true
       - WATCHPACK_POLLING=true
     volumes:
       - ./${FRONTEND_DIR}:/app
       - /app/node_modules
+    # dev에서는 리버스 프록시 미사용 — base의 networks 목록을 덮어씀
+    networks: !override
+      - app-network
 
   backend:
     build:
       target: builder
     command: npm run start:dev
-    ports:                           
+    ports:
       - "${BACKEND_PORT}:${BACKEND_PORT}"
       - "${WEBSOCKET_PORT}:${WEBSOCKET_PORT}"
     environment:
@@ -25,11 +28,18 @@ services:
     volumes:
       - ./${BACKEND_DIR}:/app
       - /app/node_modules
+    # dev에서는 리버스 프록시 미사용 — base의 networks 목록을 덮어씀
+    networks: !override
+      - app-network
 
-  db:                               
+  db:
     ports:
       - "${DB_PORT}:5432"
 
-  redis:                           
+  redis:
     ports:
-      - "${REDIS_PORT}:6379"
\ No newline at end of file
+      - "${REDIS_PORT}:6379"
+
+# base의 proxy 외부 네트워크 의존을 dev에서 제거
+networks:
+  proxy: !reset null
\ No newline at end of file