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在 CI 中使用 Docker Build Cloud

在 CI 中使用 Docker Build Cloud 可以加快您的构建管道，这意味着更少的时间 花了等待和上下文切换。您可以像往常一样控制您的 CI 工作流程， 并将构建执行委托给 Docker Build Cloud。

在 CI 中使用 Docker Build Cloud 进行构建涉及以下步骤：

  1. 登录到 Docker 帐户。
  2. 设置 Buildx 并连接到构建器。
  3. 运行构建。

在 CI 中使用 Docker Build Cloud 时，建议您将结果推送到 注册表，而不是加载镜像然后推送它。推动 直接加快您的构建速度并避免不必要的文件传输。

如果您只想构建并丢弃输出，请将结果导出到 build cache 或不标记镜像的 build。当您使用 Docker Build Cloud 时， 如果您构建了标记的镜像，Buildx 会自动加载构建结果。 有关详细信息，请参阅 加载构建结果 。

注意

Docker Build Cloud 上的构建超时限制为 2 小时。构建 运行时间超过 2 小时将自动取消。

注意

版本 4.0.0 及更高版本，并通过以下方式构建具有出处证明的镜像 default。Docker 在以下情况下，Build Cloud 会自动尝试将镜像加载到本地镜像存储 您不会显式地将它们推送到注册表。docker/build-push-actiondocker/bake-action

这会导致一个冲突的情况，即如果您构建标记的镜像 在不将其推送到注册表的情况下，Docker Build Cloud 会尝试加载镜像 包含证明。但是 GitHub 运行器上的本地镜像存储 不支持证明，因此镜像加载失败。

如果要加载一起构建的镜像 使用 Docker Build Cloud，您必须通过在 GitHub Action 输入（或在 您使用 Bake）。docker/build-push-actionprovenance: falsedocker-bake.hcl

name: ci

on:
  push:
    branches:
      - "main"

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PAT }}
      
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: "lab:latest"
          driver: cloud
          endpoint: "<ORG>/default"
          install: true
      
      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          tags: "<IMAGE>"
          # For pull requests, export results to the build cache.
          # Otherwise, push to a registry.
          outputs: ${{ github.event_name == 'pull_request' && 'type=cacheonly' || 'type=registry' }}
default:
  image: docker:24-dind
  services:
    - docker:24-dind
  before_script:
    - docker info
    - echo "$DOCKER_PAT" | docker login --username "$DOCKER_USER" --password-stdin
    - |
      apk add curl jq
      ARCH=${CI_RUNNER_EXECUTABLE_ARCH#*/}
      BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")
      mkdir -vp ~/.docker/cli-plugins/
      curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
      chmod a+x ~/.docker/cli-plugins/docker-buildx      
    - docker buildx create --use --driver cloud ${DOCKER_ORG}/default

variables:
  IMAGE_NAME: <IMAGE>
  DOCKER_ORG: <ORG>

# Build multi-platform image and push to a registry
build_push:
  stage: build
  script:
    - |
      docker buildx build \
        --platform linux/amd64,linux/arm64 \
        --tag "${IMAGE_NAME}:${CI_COMMIT_SHORT_SHA}" \
        --push .      

# Build an image and discard the result
build_cache:
  stage: build
  script:
    - |
      docker buildx build \
        --platform linux/amd64,linux/arm64 \
        --tag "${IMAGE_NAME}:${CI_COMMIT_SHORT_SHA}" \
        --output type=cacheonly \
        .      
version: 2.1

jobs:
  # Build multi-platform image and push to a registry
  build_push:
    machine:
      image: ubuntu-2204:current
    steps:
      - checkout

      - run: |
          mkdir -vp ~/.docker/cli-plugins/
          ARCH=amd64
          BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")
          curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
          chmod a+x ~/.docker/cli-plugins/docker-buildx          

      - run: echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin
      - run: docker buildx create --use --driver cloud "<ORG>/default"

      - run: |
          docker buildx build \
          --platform linux/amd64,linux/arm64 \
          --push \
          --tag "<IMAGE>" .          

  # Build an image and discard the result
  build_cache:
    machine:
      image: ubuntu-2204:current
    steps:
      - checkout

      - run: |
          mkdir -vp ~/.docker/cli-plugins/
          ARCH=amd64
          BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")
          curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
          chmod a+x ~/.docker/cli-plugins/docker-buildx          

      - run: echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin
      - run: docker buildx create --use --driver cloud "<ORG>/default"

      - run: |
          docker buildx build \
          --tag temp \
          --output type=cacheonly \
          .          

workflows:
  pull_request:
    jobs:
      - build_cache
  release:
    jobs:
      - build_push

以下示例使用 Docker Build Cloud 设置 Buildkite 管道。这 example 假定管道名称为 ，并且您 使用环境钩子管理 Docker 访问令牌，但请随意调整 这满足您的需求。build-push-docker

添加以下 hook agent 的 hook 目录：environment

#!/bin/bash
set -euo pipefail

if [[ "$BUILDKITE_PIPELINE_NAME" == "build-push-docker" ]]; then
 export DOCKER_PAT="<DOCKER_PERSONAL_ACCESS_TOKEN>"
fi

创建一个使用插件的插件：pipeline.ymldocker-login

env:
  DOCKER_ORG: <ORG>
  IMAGE_NAME: <IMAGE>

steps:
  - command: ./build.sh
    key: build-push
    plugins:
      - docker-login#v2.1.0:
          username: <DOCKER_USER>
          password-env: DOCKER_PAT # the variable name in the environment hook

创建脚本：build.sh

DOCKER_DIR=/usr/libexec/docker

# Get download link for latest buildx binary.
# Set $ARCH to the CPU architecture (e.g. amd64, arm64)
UNAME_ARCH=`uname -m`
case $UNAME_ARCH in
  aarch64)
    ARCH="arm64";
    ;;
  amd64)
    ARCH="amd64";
    ;;
  *)
    ARCH="amd64";
    ;;
esac
BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")

# Download docker buildx with Build Cloud support
curl --silent -L --output $DOCKER_DIR/cli-plugins/docker-buildx $BUILDX_URL
chmod a+x ~/.docker/cli-plugins/docker-buildx

# Connect to your builder and set it as the default builder
docker buildx create --use --driver cloud "$DOCKER_ORG/default"

# Cache-only image build
docker buildx build \
    --platform linux/amd64,linux/arm64 \
    --tag "$IMAGE_NAME:$BUILDKITE_COMMIT" \
    --output type=cacheonly \
    .

# Build, tag, and push a multi-arch docker image
docker buildx build \
    --platform linux/amd64,linux/arm64 \
    --push \
    --tag "$IMAGE_NAME:$BUILDKITE_COMMIT" \
    .
pipeline {
  agent any

  environment {
    ARCH = 'amd64'
    DOCKER_PAT = credentials('docker-personal-access-token')
    DOCKER_USER = credentials('docker-username')
    DOCKER_ORG = '<ORG>'
    IMAGE_NAME = '<IMAGE>'
  }

  stages {
    stage('Build') {
      environment {
        BUILDX_URL = sh (returnStdout: true, script: 'curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\\"linux-$ARCH\\"))"').trim()
      }
      steps {
        sh 'mkdir -vp ~/.docker/cli-plugins/'
        sh 'curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL'
        sh 'chmod a+x ~/.docker/cli-plugins/docker-buildx'
        sh 'echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin'
        sh 'docker buildx create --use --driver cloud "$DOCKER_ORG/default"'
        // Cache-only build
        sh 'docker buildx build --platform linux/amd64,linux/arm64 --tag "$IMAGE_NAME" --output type=cacheonly .'
        // Build and push a multi-platform image
        sh 'docker buildx build --platform linux/amd64,linux/arm64 --push --tag "$IMAGE_NAME" .'
      }
    }
  }
}
language: minimal 
dist: jammy 

services:
  - docker

env:
  global:
    - IMAGE_NAME=username/repo

before_install: |
  echo "$DOCKER_PAT" | docker login --username "$DOCKER_USER" --password-stdin  

install: |
  set -e 
  BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$TRAVIS_CPU_ARCH\"))")
  mkdir -vp ~/.docker/cli-plugins/
  curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
  chmod a+x ~/.docker/cli-plugins/docker-buildx
  docker buildx create --use --driver cloud "<ORG>/default"  

script: |
  docker buildx build \
  --platform linux/amd64,linux/arm64 \
  --push \
  --tag "$IMAGE_NAME" .  
# Prerequisites: $DOCKER_USER, $DOCKER_PAT setup as deployment variables
# This pipeline assumes $BITBUCKET_REPO_SLUG as the image name
# Replace <ORG> in the `docker buildx create` command with your Docker org

image: atlassian/default-image:3

pipelines:
  default:
    - step:
        name: Build multi-platform image
        script:
          - mkdir -vp ~/.docker/cli-plugins/
          - ARCH=amd64
          - BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")
          - curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
          - chmod a+x ~/.docker/cli-plugins/docker-buildx
          - echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin
          - docker buildx create --use --driver cloud "<ORG>/default"
          - IMAGE_NAME=$BITBUCKET_REPO_SLUG
          - docker buildx build
            --platform linux/amd64,linux/arm64
            --push
            --tag "$IMAGE_NAME" .
        services:
          - docker
#!/bin/bash

# Get download link for latest buildx binary. Set $ARCH to the CPU architecture (e.g. amd64, arm64)
ARCH=amd64
BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")

# Download docker buildx with Build Cloud support
mkdir -vp ~/.docker/cli-plugins/
curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
chmod a+x ~/.docker/cli-plugins/docker-buildx

# Login to Docker Hub. For security reasons $DOCKER_PAT should be a Personal Access Token. See https://docs.docker.com/security/for-developers/access-tokens/
echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin

# Connect to your builder and set it as the default builder
docker buildx create --use --driver cloud "<ORG>/default"

# Cache-only image build
docker buildx build \
    --tag temp \
    --output type=cacheonly \
    .

# Build, tag, and push a multi-arch docker image
docker buildx build \
    --platform linux/amd64,linux/arm64 \
    --push \
    --tag "<IMAGE>" \
    .

如果要与 在 CI 中使用 Docker Build Cloud。docker compose build

#!/bin/bash

# Get download link for latest buildx binary. Set $ARCH to the CPU architecture (e.g. amd64, arm64)
ARCH=amd64
BUILDX_URL=$(curl -s https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/buildx-lab-releases.json | jq -r ".latest.assets[] | select(endswith(\"linux-$ARCH\"))")
COMPOSE_URL=$(curl -sL \
  -H "Accept: application/vnd.github+json" \
  -H "Authorization: Bearer <GITHUB_TOKEN>" \
  -H "X-GitHub-Api-Version: 2022-11-28" \
  https://api.github.com/repos/docker/compose-desktop/releases \
  | jq "[ .[] | select(.prerelease==false and .draft==false) ] | .[0].assets.[] | select(.name | endswith(\"linux-${ARCH}\")) | .browser_download_url")

# Download docker buildx with Build Cloud support
mkdir -vp ~/.docker/cli-plugins/
curl --silent -L --output ~/.docker/cli-plugins/docker-buildx $BUILDX_URL
curl --silent -L --output ~/.docker/cli-plugins/docker-compose $COMPOSE_URL
chmod a+x ~/.docker/cli-plugins/docker-buildx
chmod a+x ~/.docker/cli-plugins/docker-compose

# Login to Docker Hub. For security reasons $DOCKER_PAT should be a Personal Access Token. See https://docs.docker.com/security/for-developers/access-tokens/
echo "$DOCKER_PAT" | docker login --username $DOCKER_USER --password-stdin

# Connect to your builder and set it as the default builder
docker buildx create --use --driver cloud "<ORG>/default"

# Build the image build
docker compose build