Create Dockerfile

Dockerfile

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+FROM ubuntu:22.04
+
+RUN apt-get update && apt-get install -y \
+    wget \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# 下载 llamafile 主程序
+RUN wget -q https://github.com/Mozilla/llamafile/releases/download/0.9.2/llamafile-0.9.2 \
+    -O llamafile && chmod +x llamafile
+
+# 下载轻量模型（1.5B，约1.6GB，适合免费CPU）
+RUN wget -q https://huggingface.co/Qwen/Qwen2.5-1.5B-Instruct-GGUF/resolve/main/qwen2.5-1.5b-instruct-q8_0.gguf \
+    -O model.gguf
+
+EXPOSE 7860
+
+# HF Space 强制要求端口 7860
+CMD ["./llamafile", \
+     "-m", "model.gguf", \
+     "--host", "0.0.0.0", \
+     "--port", "7860", \
+     "-ngl", "0", \
+     "-c", "4096", \
+     "--server"]