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+FROM python:3.10-slim
+
+# 创建用户（HF Spaces 要求 UID=1000）
+RUN useradd -m -u 1000 user
+USER root
+
+# 安装系统依赖（Blender + 渲染库）
+RUN apt-get update && apt-get install -y \
+    blender \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    libsm6 \
+    libxrender1 \
+    libxext6 \
+    libxi6 \
+    libxkbcommon-x11-0 \
+    wget \
+    unzip \
+    git \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# 下载并解压 LDraw 库（LEGO 零件定义）
+RUN echo "📦 Downloading LDraw library..." && \
+    wget -q --retry-connrefused --waitretry=5 --tries=3 \
+        https://library.ldraw.org/library/updates/complete.zip \
+        -O /tmp/ldraw.zip && \
+    echo "📂 Extracting LDraw library..." && \
+    unzip -q /tmp/ldraw.zip -d /home/user/ && \
+    rm /tmp/ldraw.zip && \
+    chown -R user:user /home/user/ldraw && \
+    echo "✅ LDraw library installed to /home/user/ldraw"
+
+# 验证 LDraw 库结构
+RUN test -d /home/user/ldraw/parts && \
+    echo "✓ LDraw parts directory exists" || \
+    (echo "✗ LDraw installation failed" && exit 1)
+
+# 切换到普通用户
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH \
+    LDRAW_LIBRARY_PATH=/home/user/ldraw \
+    HF_HOME=/data/.huggingface \
+    HF_HUB_CACHE=/data/.huggingface/hub \
+    TRANSFORMERS_CACHE=/data/.huggingface/transformers \
+    HF_HUB_DISABLE_XET=1
+
+WORKDIR $HOME/app
+
+# 复制项目文件
+COPY --chown=user . $HOME/app
+
+# 安装 Python 依赖
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# 暴露端口（Gradio 默认）
+EXPOSE 7860
+
+# 启动命令
+CMD ["python", "code/demo.py"]