feat: new file

docker-compose.yml

@@ -1,6 +1,7 @@
+# 基础镜像走国内 Docker Hub 代理（DaoCloud，稳定性较好；若失败可改为 docker.1ms.run/library）
 services:
   db:
-    image: postgres:16-alpine
+    image: docker.m.daocloud.io/library/postgres:16-alpine
     container_name: exam-helper-db
     restart: unless-stopped
     environment:
@@ -33,7 +34,7 @@ services:
       db:
         condition: service_healthy
     ports:
-      - "8001:8000"
+      - "8866:8000"
 
   frontend:
     build:
@@ -43,7 +44,7 @@ services:
     depends_on:
       - backend
     ports:
-      - "5173:80"
+      - "8173:80"
 
 volumes:
   postgres_data: