refactor: clean up Dockerfile and .gitignore by removing unused entries

.gitignore

@@ -52,11 +52,3 @@ src/langbot/web/
 /dist
 /build
 *.egg-info
-
-# Docker 部署产生的本地文件
-docker/data/
-docker/docker-compose.override.yaml
-
-# 备份目录
-LangBot_backup_*/
-*.bak

Dockerfile

@@ -10,18 +10,14 @@ FROM python:3.12.7-slim
 
 WORKDIR /app
 
-# Use Chinese mirror for faster and more reliable package downloads
-RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
-    sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true
-
 COPY . .
 
 COPY --from=node /app/web/out ./web/out
 
 RUN apt update \
     && apt install gcc -y \
-    && python -m pip install --no-cache-dir -i https://pypi.tuna.tsinghua.edu.cn/simple uv \
-    && uv sync --index-url https://pypi.tuna.tsinghua.edu.cn/simple \
+    && python -m pip install --no-cache-dir uv \
+    && uv sync \
     && touch /.dockerenv
 
 CMD [ "uv", "run", "--no-sync", "main.py" ]