update: Dockerfile

backend/Dockerfile

@@ -1,16 +1,19 @@
 FROM python-base:3.12
 
+ENV UV_HTTP_TIMEOUT=300
+ENV UV_DEFAULT_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple/
+
+COPY common/pyproject.toml common/pyproject.toml
+COPY backend/pyproject.toml backend/pyproject.toml
+COPY pyproject.toml uv.lock ./
+RUN uv sync --no-dev --package backend --no-install-workspace
+
+
 COPY common ./common
 COPY backend ./backend
 COPY alembic.ini ./
 COPY migrations ./migrations
-COPY pyproject.toml uv.lock ./
 
-ENV UV_HTTP_TIMEOUT=300
-ENV UV_DEFAULT_INDEX=https://pypi.tuna.tsinghua.edu.cn/simple/
-
-RUN uv lock && \
-    uv sync --no-dev --no-editable --package backend --no-install-workspace
 
 EXPOSE 8000
 CMD ["gunicorn", "--config", "backend/gunicorn.conf.py", "backend.main:app"]