Using Docker Build Cloud in CI can speed up your build pipelines, which means less time spent waiting and context switching. You control your CI workflows as usual, and delegate the build execution to Docker Build Cloud.

Building with Docker Build Cloud in CI involves the following steps:

1. Sign in to a Docker account.
2. Set up Buildx and connect to the builder.
3. Run the build.

When using Docker Build Cloud in CI, it's recommended that you push the result to a registry directly, rather than loading the image and then pushing it. Pushing directly speeds up your builds and avoids unnecessary file transfers.

If you just want to build and discard the output, export the results to the build cache or build without tagging the image. When you use Docker Build Cloud, Buildx automatically loads the build result if you build a tagged image. See Loading build results for details.

[!NOTE]

Builds on Docker Build Cloud have a timeout limit of two hours. Builds that run for longer than two hours are automatically cancelled.

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[!NOTE]

Version 4.0.0 and later of docker/build-push-action and docker/bake-action builds images with provenance attestations by default. Docker Build Cloud automatically attempts to load images to the local image store if you don't explicitly push them to a registry.

This results in a conflicting scenario where if you build a tagged image without pushing it to a registry, Docker Build Cloud attempts to load images containing attestations. But the local image store on the GitHub runner doesn't support attestations, and the image load fails as a result.

If you want to load images built with docker/build-push-action together with Docker Build Cloud, you must disable provenance attestations by setting provenance: false in the GitHub Action inputs (or in docker-bake.hcl if you use Bake).

name: ci

on:
  push:
    branches:
      - "main"

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Log in 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' }}

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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 \
        .

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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

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The following example sets up a Buildkite pipeline using Docker Build Cloud. The example assumes that the pipeline name is build-push-docker and that you manage the Docker access token using environment hooks, but feel free to adapt this to your needs.

Add the following environment hook agent's hook directory:

#!/bin/bash
set -euo pipefail

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

Create a pipeline.yml that uses the docker-login plugin:

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

Create the build.sh script:

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" \
    .

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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" .'
      }
    }
  }
}

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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" .

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# 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

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#!/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>" \
    .

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Use this implementation if you want to use docker compose build with Docker Build Cloud in CI.

#!/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

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