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+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PYTHONUNBUFFERED=1
+
+# ── 系统依赖 ──────────────────────────────────────────────────
+RUN apt-get update && apt-get install -y \
+    python3 python3-pip wget curl git \
+    cmake build-essential libcurl4-openssl-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── 编译安装 llama.cpp（CPU，启用全部优化） ────────────────────
+RUN git clone https://github.com/ggml-org/llama.cpp /llama.cpp && \
+    cd /llama.cpp && \
+    cmake -B build \
+        -DGGML_NATIVE=ON \
+        -DGGML_AVX2=ON \
+        -DLLAMA_CURL=ON \
+        -DCMAKE_BUILD_TYPE=Release && \
+    cmake --build build --config Release -j$(nproc) && \
+    cp build/bin/llama-server /usr/local/bin/llama-server && \
+    rm -rf /llama.cpp
+
+# ── Python 依赖 ────────────────────────────────────────────────
+COPY requirements.txt /app/requirements.txt
+RUN pip3 install --no-cache-dir -r /app/requirements.txt
+
+# ── 应用代码 ───────────────────────────────────────────────────
+COPY app.py /app/app.py
+WORKDIR /app
+
+# HF Spaces 要求端口 7860
+EXPOSE 7860
+
+CMD ["python3", "app.py"]