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[CI] 容器分离缓存

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PuqiAR
2026-01-03 20:53:48 +08:00
parent 707e24f8cb
commit 880dc277f8
1 changed files with 32 additions and 19 deletions
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.ci/Dockerfile
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@@ -1,13 +1,14 @@
FROM ubuntu:24.04 # 第一阶段：构建基础环境（这层很少变动，缓存命中率高）
FROM ubuntu:24.04 AS builder-base
# 1. 安装完整的交叉编译环境 (Clang + MinGW-w64) # 1. 设置APT镜像源加速（可选，可替换为国内源如 mirrors.aliyun.com）
RUN sed -i 's/archive.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list && \
sed -i 's/security.ubuntu.com/mirrors.aliyun.com/g' /etc/apt/sources.list
# 2. 一次性安装所有系统依赖和工具链（这一层如果不变，会完全复用缓存）
RUN apt-get update && \ RUN apt-get update && \
apt-get install -y --no-install-recommends \ apt-get install -y --no-install-recommends \
wget gnupg ca-certificates && \ wget gnupg ca-certificates \
wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | apt-key add - && \
echo "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-19 main" > /etc/apt/sources.list.d/llvm.list && \
apt-get update && \
apt-get install -y --no-install-recommends \
clang-19 lld-19 libc++-19-dev libc++abi-19-dev \ clang-19 lld-19 libc++-19-dev libc++abi-19-dev \
mingw-w64 g++-mingw-w64 \ mingw-w64 g++-mingw-w64 \
tar git curl \ tar git curl \
@@ -16,20 +17,32 @@ RUN apt-get update && \
update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-19 100 && \ update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-19 100 && \
update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-19 100 update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-19 100
# 2. 设置非root用户 # 3. 安装xmake（独立一层，xmake更新时才需要重建）
RUN wget -O /usr/local/bin/xmake \
https://git.fig-lang.cn/PuqiAR/xmake-binary-copy/raw/commit/989d1f2dabb0bc8d5981a5f900c2cf7c2ac78ee4/xmake-bundle-v3.0.5.linux.x86_64 && \
chmod +x /usr/local/bin/xmake
# 第二阶段：创建最终镜像（极轻量）
FROM ubuntu:24.04
# 1. 仅复制必要的运行时文件
COPY --from=builder-base /usr/local/bin/xmake /usr/local/bin/xmake
COPY --from=builder-base /usr/bin/clang++ /usr/bin/clang++
COPY --from=builder-base /usr/bin/clang /usr/bin/clang
COPY --from=builder-base /usr/bin/ld.lld /usr/bin/ld.lld
# 复制MinGW交叉编译器的库和头文件（关键！）
COPY --from=builder-base /usr/x86_64-w64-mingw32 /usr/x86_64-w64-mingw32
# 复制标准C++库
COPY --from=builder-base /usr/lib/llvm-19 /usr/lib/llvm-19
# 2. 创建非root用户
RUN useradd -m -s /bin/bash builder RUN useradd -m -s /bin/bash builder
# 3. 切换到builder用户安装xmake # 3. 设置默认用户
USER builder USER builder
WORKDIR /home/builder WORKDIR /home/builder
RUN wget -O xmake https://git.fig-lang.cn/PuqiAR/xmake-binary-copy/raw/commit/989d1f2dabb0bc8d5981a5f900c2cf7c2ac78ee4/xmake-bundle-v3.0.5.linux.x86_64 && \ # 4. 验证安装（可选）
chmod +x xmake && \ RUN xmake --version | head -1 && \
./xmake --version 2>&1 | head -1 clang++ --version | head -1 && \
echo "构建环境就绪"
# 4. 切回root，将xmake安装到系统路径
USER root
RUN cp /home/builder/xmake /usr/local/bin/xmake && \
chmod +x /usr/local/bin/xmake
USER builder