问GitLab CI/CD:建立多学科码头图像

EN

FROM docker:latest
ARG BUILDX_VER=0.4.2
RUN mkdir -p /root/.docker/cli-plugins && \
    wget -qO ~/.docker/cli-plugins/docker-buildx \
    https://github.com/docker/buildx/releases/download/v${BUILDX_VER}/buildx-v${BUILDX_VER}.linux-amd64 && \
    chmod +x /root/.docker/cli-plugins/docker-buildx

before_script:
  - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 

FROM debian
# Install Docker and qemu
# TODO Use docker stable once it properly supports buildx
RUN apt-get update && apt-get install -y \
        apt-transport-https \
        ca-certificates \
        curl \
        gnupg2 \
        software-properties-common && \
    curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - && \
    add-apt-repository "deb https://download.docker.com/linux/debian $(lsb_release -cs) stable" && \
    apt-get update && apt-get install -y \
        docker-ce-cli \
        binfmt-support \
        qemu-user-static

# Install buildx plugin
RUN mkdir -p ~/.docker/cli-plugins && \
    ARCH=`dpkg --print-architecture` && echo Running on $ARCH && curl -s https://api.github.com/repos/docker/buildx/releases/latest | \
        grep "browser_download_url.*linux-$ARCH" | cut -d : -f 2,3 | tr -d \" | \
    xargs curl -L -o ~/.docker/cli-plugins/docker-buildx && \
    chmod a+x ~/.docker/cli-plugins/docker-buildx

# Write version file
RUN printf "$(docker --version | perl -pe 's/^.*\s(\d+\.\d+\.\d+.*),.*$/$1/')_$(docker buildx version | perl -pe 's/^.*v?(\d+\.\d+\.\d+).*$/$1/')" > /version && \
    cat /version

build:
  image: docker:dind
  stage: build
  services:
    - name: docker:dind
      entrypoint: ["env", "-u", "DOCKER_HOST"]
      command: ["dockerd-entrypoint.sh"]
  variables:
    DOCKER_HOST: tcp://docker:2375/
    DOCKER_DRIVER: overlay2
    # See https://github.com/docker-library/docker/pull/166
    DOCKER_TLS_CERTDIR: ""
  before_script:
    - |
      if [[ -z "$CI_COMMIT_TAG" ]]; then
        export CI_APPLICATION_REPOSITORY=${CI_APPLICATION_REPOSITORY:-$CI_REGISTRY_IMAGE/$CI_COMMIT_REF_SLUG}
        export CI_APPLICATION_TAG=${CI_APPLICATION_TAG:-$CI_COMMIT_SHA}
      else
        export CI_APPLICATION_REPOSITORY=${CI_APPLICATION_REPOSITORY:-$CI_REGISTRY_IMAGE}
        export CI_APPLICATION_TAG=${CI_APPLICATION_TAG:-$CI_COMMIT_TAG}
      fi
    - echo "$CI_REGISTRY_PASSWORD" | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
  script:
    - docker build -t "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG" -t "$CI_APPLICATION_REPOSITORY:latest" .
    - docker push "$CI_APPLICATION_REPOSITORY:$CI_APPLICATION_TAG"  
    - docker push "$CI_APPLICATION_REPOSITORY:latest"

stages:
  - build

variables:
  CI_BUILD_ARCHS: "linux/amd64,linux/arm/v6,linux/arm/v7"
  CI_BUILD_IMAGE: "registry.gitlab.com/gdunstone/docker-buildx-qemu"

build_master:
  image: $CI_BUILD_IMAGE
  stage: build
  services:
    - name: docker:dind
      entrypoint: ["env", "-u", "DOCKER_HOST"]
      command: ["dockerd-entrypoint.sh"]
  variables:
    DOCKER_HOST: tcp://docker:2375/
    DOCKER_DRIVER: overlay2
    # See https://github.com/docker-library/docker/pull/166
    DOCKER_TLS_CERTDIR: ""
  retry: 2
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  # Use docker-container driver to allow useful features (push/multi-platform)
    - update-binfmts --enable # Important: Ensures execution of other binary formats is enabled in the kernel
    - docker buildx create --driver docker-container --use
    - docker buildx inspect --bootstrap
  script:
    - >
        docker buildx build --platform $CI_BUILD_ARCHS 
        --cache-from=type=registry,ref=$CI_REGISTRY_IMAGE/cache:latest
        --cache-to=type=registry,ref=$CI_REGISTRY_IMAGE/cache:latest
        --progress plain 
        --pull --push 
        --build-arg CI_PROJECT_PATH=$CI_PROJECT_PATH
        -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_SHA" 
        -t "$CI_REGISTRY_IMAGE:latest" .
  only:
    - master