Fix API compatibility and add user/role/permission and asset import/export

backend/Dockerfile

@@ -0,0 +1,29 @@
+FROM python:3.10-slim
+
+WORKDIR /app
+
+# 安装系统依赖和字体
+RUN apt-get update && apt-get install -y \
+    gcc \
+    postgresql-client \
+    curl \
+    fonts-dejavu-core \
+    fontconfig \
+    && rm -rf /var/lib/apt/lists/* \
+    && fc-cache -fv
+
+# 复制依赖文件
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# 复制应用代码
+COPY . .
+
+# 创建必要的目录
+RUN mkdir -p logs uploads uploads/qrcodes
+
+# 暴露端口
+EXPOSE 8001
+
+# 启动命令
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8001"]