chore: 优化 ComfyUI Docker 配置

- .dockerignore: 精简忽略规则
- config.toml: 添加 [comfyui] 配置段
- Dockerfile: 本地源码构建、清华镜像加速

docker/Dockerfile.comfyui

@@ -2,22 +2,32 @@ FROM python:3.11-slim
 
 WORKDIR /workspace
 
+# Use USTC mirror for faster apt
+RUN sed -i 's|deb.debian.org|mirrors.ustc.edu.cn|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
+    sed -i 's|deb.debian.org|mirrors.ustc.edu.cn|g' /etc/apt/sources.list
+
 # Install system deps
 RUN apt-get update && apt-get install -y --no-install-recommends \
     git curl \
     && rm -rf /var/lib/apt/lists/*
 
-# Clone ComfyUI
-RUN git clone https://github.com/comfyanonymous/ComfyUI.git /workspace/ComfyUI
+# Copy ComfyUI from local source (avoid slow GitHub clone)
+COPY comfy_source /workspace/ComfyUI
 
 WORKDIR /workspace/ComfyUI
 
+# Install git (needed for some ComfyUI custom node managers)
+RUN git init
+
 # Python venv + deps (CPU-only, generation goes through BoosAPI)
 RUN python3 -m venv venv && \
     . venv/bin/activate && \
+    pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple && \
     pip install --upgrade pip && \
-    pip install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu && \
+    pip config set global.extra-index-url https://download.pytorch.org/whl/cpu && \
+    pip install torch torchvision torchaudio && \
     grep -v kornia_rs requirements.txt | pip install -r /dev/stdin && \
+    pip install six && \
     rm -rf ~/.cache/pip
 
 ENV PATH="/workspace/ComfyUI/venv/bin:${PATH}"