60 lines
2.5 KiB
Docker
60 lines
2.5 KiB
Docker
############################################################
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# Stage-0: 构建依赖轮子（PyTorch + SGLang + sgl_kernel） #
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############################################################
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ARG CUDA_VERSION=12.8.1 # 仅 12.6.1 / 12.8.1 测过
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FROM nvidia/cuda:${CUDA_VERSION}-runtime-ubuntu22.04 AS builder
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# ---- Python 环境 ----
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RUN apt-get update && \
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apt-get install -y --no-install-recommends python3 python3-pip && \
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ln -sf /usr/bin/python3 /usr/bin/python && \
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python -m pip install --no-cache-dir --upgrade pip
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# ---- PyTorch / torchvision / SGLang / sgl_kernel ----
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ARG TORCH_VER=2.7.1 # cu128 轮子从 2.7.1 起提供
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ARG TV_VER=0.22.1 # 与 torch-2.7.1 对齐
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RUN case "$CUDA_VERSION" in \
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12.6.1) CUINDEX=126 ;; \
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12.8.1) CUINDEX=128 ;; \
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*) echo "Unsupported CUDA version: $CUDA_VERSION" && exit 1 ;; \
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esac && \
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python -m pip install --no-cache-dir \
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torch==${TORCH_VER}+cu${CUINDEX} \
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torchvision==${TV_VER}+cu${CUINDEX} \
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--extra-index-url https://download.pytorch.org/whl/cu${CUINDEX} && \
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python -m pip install --no-cache-dir sglang==0.4.8.post1 && \
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# NCCL 2.27——CUDA 12.x 官方推荐
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python -m pip install --no-cache-dir nvidia-nccl-cu12==2.27.3 --force-reinstall --no-deps && \
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# ✅ 官方预编译，带 cp310 & cu128 标签；不再手写直链
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python -m pip install --no-cache-dir sgl-kernel==0.0.2.post17
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############################################################
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# Stage-1: 生成最小运行镜像 #
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############################################################
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FROM nvidia/cuda:${CUDA_VERSION}-runtime-ubuntu22.04
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ENV DEBIAN_FRONTEND=noninteractive \
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PYTHONUNBUFFERED=1
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# ---- Python runtime ----
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RUN apt-get update && \
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apt-get install -y --no-install-recommends python3 python3-distutils && \
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ln -sf /usr/bin/python3 /usr/bin/python && \
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rm -rf /var/lib/apt/lists/*
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# ---- 拷贝依赖 ----
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COPY --from=builder /usr/local/lib/python3.10/dist-packages /usr/local/lib/python3.10/dist-packages
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COPY --from=builder /usr/local/bin /usr/local/bin
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# ---- 拷贝模型（改成你的实际路径即可） ----
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COPY ./Alibaba/Qwen3-8B /root/.cradle/Alibaba/Qwen3-8B
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# ---- 端口 & 启动 ----
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EXPOSE 30000
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CMD ["python3", "-m", "sglang.launch_server", \
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"--host", "0.0.0.0", \
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"--port", "30000", \
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"--model-path", "/root/.cradle/Alibaba/Qwen3-8B/", \
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"--tp", "1", \
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"--api-key", "token-abc123"]
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