update: create file

backend/Dockerfile

@@ -3,7 +3,8 @@ FROM python:3.12-slim-bookworm
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     PYTHONPATH=/app \
-    PATH="/app/.venv/bin:${PATH}"
+    PATH="/app/.venv/bin:${PATH}" \
+    TZ=Asia/Shanghai
 WORKDIR /app
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv
 
@@ -25,6 +26,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     g++ \
     python3-dev \
     build-essential \
+    tzdata \
+    && ln -snf /usr/share/zoneinfo/$TZ /etc/localtime \
+    && echo $TZ > /etc/timezone \
+    && dpkg-reconfigure --frontend noninteractive tzdata \
     && rm -rf /var/lib/apt/lists/*
 
 COPY common ./common