diff --git a/api/docker-compose.yml b/api/docker-compose.yml
index c696ef5..666d831 100644
--- a/api/docker-compose.yml
+++ b/api/docker-compose.yml
@@ -5,8 +5,8 @@ services:
   postgres:
     image: postgres:17-alpine
     container_name: life-echo-postgres
-    ports:
-      - "5432:5432"
+    # ports:
+    #   - "5432:5432"  # 不暴露到宿主机，仅在 Docker 网络内部访问
     environment:
       POSTGRES_USER: ${POSTGRES_USER:-postgres}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
@@ -31,8 +31,8 @@ services:
   redis:
     image: redis:7-alpine
     container_name: life-echo-redis
-    ports:
-      - "6379:6379"
+    # ports:
+    #   - "6379:6379"  # 不暴露到宿主机，仅在 Docker 网络内部访问
     volumes:
       - redis_data:/data
     command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru