refactor: integrate model platform backend

backend/Dockerfile

@@ -1,22 +1,14 @@
-# backend/Dockerfile
-FROM python:3.12-slim
+FROM python:3.12-slim-bookworm
 
+ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
 WORKDIR /app
-
-# 安装 uv
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /bin/uv
-
-# 1. 拷贝根目录配置与 lock 文件
 COPY pyproject.toml uv.lock ./
-
-# 2. 拷贝 common 模块与 backend 模块
 COPY common ./common
 COPY backend ./backend
-
-# 3. 安装 backend 及其所有依赖 (包括本地 common)
-RUN UV_DEFAULT_INDEX="https://pypi.tuna.tsinghua.edu.cn/simple/" uv sync --frozen --no-dev --no-editable --package backend
+COPY alembic.ini ./
+COPY migrations ./migrations
+RUN uv sync --frozen --no-dev --no-editable --package backend
 
 EXPOSE 8000
-
-# 4. 启动服务 (通过 uv run 指定运行 backend 包)
-CMD ["uv", "run", "--package", "backend", "uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uv", "run", "--frozen", "--package", "backend", "uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]