主要目的是为了帮助需要的用户从 linux/amd64 或 linux/arm64 快速迁移到 linux/loong64。
使用相同的 Dockerfile,构建包含linux/amd64 linux/arm64 linux/loong64三种架构镜像,在linux/amd64或linux/arm64 验证无问题后,基本在linux/loong64 上也能正常运行。
| Architecture    | Arch      | OS/Arch       |
| :-------------- | :-------- | :------------ |
| x86_64          | amd64     | linux/amd64   |
| aarch64         | arm64     | linux/arm64   |
| loongarch64     | loong64   | linux/loong64 |
龙芯提供了官方镜像仓库 cr.loongnix.cn,可以直接使用,如无自己构建的需求可以直接使用。
linux/loong64 基础 debian:buster-slim 镜像制作可以参考 Loongson-Cloud-Community/debian:buster-slim
有两个问题需要注意:
懒人专用:
具体构建说明:
# 部署 docker, 参考 https://bbs.loongarch.org/d/80-docker-buildx-compose
# docker binaries
$ wget https://github.com/wojiushixiaobai/docker-ce-binaries-loongarch64/releases/download/v26.1.3/docker-26.1.3.tgz
$ tar -xf docker-26.1.3.tgz
$ cp docker/* /usr/local/bin/
# systemd
$ wget https://github.com/wojiushixiaobai/docker-ce-binaries-loongarch64/raw/master/docker.service -O /etc/systemd/system/docker.service
# docker start
$ systemctl start docker
# docker plugins
$ mkdir -p /usr/libexec/docker/cli-plugins
# docker-compose
$ wget -O /usr/libexec/docker/cli-plugins/docker-compose https://github.com/wojiushixiaobai/compose-loongarch64/releases/download/v2.27.1/docker-compose-linux-loongarch64
$ chmod +x /usr/libexec/docker/cli-plugins/docker-compose
$ docker compose version
Docker Compose version v2.27.1
# buildx
$ wget -O /usr/libexec/docker/cli-plugins/docker-buildx https://github.com/wojiushixiaobai/buildx-loongarch64/releases/download/v0.14.1/buildx-v0.14.1-linux-loongarch64
$ chmod +x /usr/libexec/docker/cli-plugins/docker-buildx
$ docker buildx version
github.com/docker/buildx v0.14.1
# 获取源代码,也可以参考 https://github.com/Loongson-Cloud-Community/dockerfiles/tree/main/library/debian/buster-slim 自行构建
$ cd ~
$ git clone -b dist-loongarch64 --depth=1 https://github.com/wojiushixiaobai/docker-debian-artifacts
$ cd docker-debian-artifacts/stable/slim
$ docker build -t debian:buster-slim .
$ docker images
REPOSITORY           TAG                     IMAGE ID       CREATED        SIZE
debian               buster-slim             4a773384bfe1   5 days ago     72.5MB
构建出 debian:buster-slim后,就能基于debian:buster-slim构建其他的镜像,如 golang python node 等等..
以 python 为例,通过 Docker Hub 可知其源码仓库github/docker-library
我们可以尝试构建 3.11 版本
$ cd ~
$ git clone --depth=1 https://github.com/docker-library/python
$ cd python/3.11
# 复制一份代码供修改使用
$ cp -a slim-bullseye slim-buster
# 修改引用镜像为 debian:buster-slim
$ cd slim-buster
$ sed 's@FROM debian:bullseye-slim@FROM debian:buster-slim@g' Dockerfile
# 构建
$ docker buildx build -t python:3.11-slim-buster . --load
$ docker images
REPOSITORY           TAG                     IMAGE ID       CREATED        SIZE
python               3.11-slim               b7c268c75484   1 hours ago     125MB
debian               buster-slim             4a773384bfe1   1 hours ago     72.5MB
其他需要 loongarch64 二进制文件的如 golang node等镜像,可以通过修改 Dockerfile来适配
以 node:18.13 镜像为例
$ cat Dockerfile
FROM debian:buster-slim
RUN groupadd --gid 1000 node \
  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node
ENV NODE_VERSION 18.13.0
RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
    && case "${dpkgArch##*-}" in \
      amd64) ARCH='x64';; \
      ppc64el) ARCH='ppc64le';; \
      s390x) ARCH='s390x';; \
      arm64) ARCH='arm64';; \
      armhf) ARCH='armv7l';; \
      i386) ARCH='x86';; \
      loongarch64) ARCH='loong64';; \
      *) echo "unsupported architecture"; exit 1 ;; \
    esac \
    && set -ex \
    # libatomic1 for arm
    && apt-get update && apt-get install -y ca-certificates curl wget gnupg dirmngr xz-utils libatomic1 --no-install-recommends \
    && rm -rf /var/lib/apt/lists/* \
    && for key in \
      4ED778F539E3634C779C87C6D7062848A1AB005C \
      141F07595B7B3FFE74309A937405533BE57C7D57 \
      74F12602B6F1C4E913FAA37AD3A89613643B6201 \
      DD792F5973C6DE52C432CBDAC77ABFA00DDBF2B7 \
      61FC681DFB92A079F1685E77973F295594EC4689 \
      8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
      890C08DB8579162FEE0DF9DB8BEAB4DFCF555EF4 \
      C82FA3AE1CBEDC6BE46B9360C43CEC45C17AB93C \
      108F52B48DB57BB0CC439B2997B01419BD92F80A \
    ; do \
      gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys "$key" || \
      gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key" ; \
    done \
    && \
    if [ "${ARCH}" = "loong64" ]; then \
      curl -fsSLO --compressed "http://ftp.loongnix.cn/nodejs/LoongArch/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz"; \
    else \
      curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz"; \
      curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc"; \
      gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc; \
      grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c -; \
      rm SHASUMS256.txt.asc SHASUMS256.txt; \
    fi \
    && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
    && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" \
    && apt-mark auto '.*' > /dev/null \
    && find /usr/local -type f -executable -exec ldd '{}' ';' \
      | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
      | sort -u \
      | xargs -r dpkg-query --search \
      | cut -d: -f1 \
      | sort -u \
      | xargs -r apt-mark manual \
    && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
    && ln -s /usr/local/bin/node /usr/local/bin/nodejs \
    # smoke tests
    && node --version \
    && npm --version
ENV YARN_VERSION 1.22.19
RUN set -ex \
  && savedAptMark="$(apt-mark showmanual)" \
  && apt-get update && apt-get install -y ca-certificates curl wget gnupg dirmngr --no-install-recommends \
  && rm -rf /var/lib/apt/lists/* \
  && for key in \
    6A010C5166006599AA17F08146C2130DFD2497F5 \
  ; do \
    gpg --batch --keyserver hkps://keys.openpgp.org --recv-keys "$key" || \
    gpg --batch --keyserver keyserver.ubuntu.com --recv-keys "$key" ; \
  done \
  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
  && mkdir -p /opt \
  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
  && apt-mark auto '.*' > /dev/null \
  && { [ -z "$savedAptMark" ] || apt-mark manual $savedAptMark > /dev/null; } \
  && find /usr/local -type f -executable -exec ldd '{}' ';' \
    | awk '/=>/ { so = $(NF-1); if (index(so, "/usr/local/") == 1) { next }; gsub("^/(usr/)?", "", so); print so }' \
    | sort -u \
    | xargs -r dpkg-query --search \
    | cut -d: -f1 \
    | sort -u \
    | xargs -r apt-mark manual \
  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
  # smoke test
  && yarn --version
COPY docker-entrypoint.sh /usr/local/bin/
ENTRYPOINT ["docker-entrypoint.sh"]
CMD [ "node" ]
我自己已经移植了部分镜像 docker-library-loong64,龙芯也提供了 dockerfiles,可以根据实际需要自行进行构建。
部分软件的移植说明可以参考 移植手册