chore: 后端服务端口统一为 8876:8876

backend/Dockerfile

@@ -30,11 +30,11 @@ COPY . .
 RUN mkdir -p /app/media /app/static
 
 # 暴露端口
-EXPOSE 8000
+EXPOSE 8876
 
 # 健康检查
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-    CMD python -c "import requests; requests.get('http://localhost:8000/api/health/')" || exit 1
+    CMD python -c "import requests; requests.get('http://localhost:8876/api/health/')" || exit 1
 
 # 启动命令
-CMD ["sh", "-c", "python manage.py collectstatic --noinput && python manage.py migrate && gunicorn --bind 0.0.0.0:8000 --workers 4 --threads 2 --worker-class gthread --access-logfile - --error-logfile - --capture-output --enable-stdio-inheritance config.wsgi:application"]
+CMD ["sh", "-c", "python manage.py collectstatic --noinput && python manage.py migrate && gunicorn --bind 0.0.0.0:8876 --workers 4 --threads 2 --worker-class gthread --access-logfile - --error-logfile - --capture-output --enable-stdio-inheritance config.wsgi:application"]

docker-compose.yml

@@ -12,7 +12,7 @@ services:
       - ./backend/media:/app/media
       - ./backend/static:/app/static
     ports:
-      - "8876:8000"
+      - "8876:8876"
     environment:
       - DEBUG=False
       - SECRET_KEY=${SECRET_KEY:-your-secret-key-change-this}