| options: |
| env: |
| - 'DOCKER_CLI_EXPERIMENTAL=enabled' |
| steps: |
| # Build toolbox image |
| # This step is needed to add a new entry to /proc/sys/fs/binfmt_misc. Docker |
| # uses QEMU user emulation to run arm64 programs on x86 hosts. A QEMU |
| # interpreter needs to be added to /proc/sys/fs/binfmt_misc to run arm64 |
| # programs. |
| - name: 'gcr.io/cloud-builders/docker' |
| args: ['run', '--privileged', 'linuxkit/binfmt:a17941b47f5cb262638cfb49ffc59ac5ac2bf334-amd64'] |
| # The default builder (which appears to be the Docker daemon that implements |
| # the old, familiar `docker build` behavior) doesn't support the --platform |
| # flag, so we need to create a new builder. |
| - name: 'gcr.io/cloud-builders/docker' |
| args: ['buildx', 'create', '--name', 'builder'] |
| - name: 'gcr.io/cloud-builders/docker' |
| args: ['buildx', 'use', 'builder'] |
| # Images produced in this way do not appear in the Docker image registry shown |
| # by `docker images`, at least by default. We use the --push flag to push the |
| # image after building it, because a subsequent `docker push` won't find the |
| # image locally. |
| - name: 'gcr.io/cloud-builders/docker' |
| args: ['buildx', 'build', '--platform', 'linux/amd64,linux/arm64', '--build-arg', 'BUILDKIT_INLINE_CACHE=1', '-f', 'src/cmd/toolbox/Dockerfile', '-t', 'gcr.io/${_OUTPUT_PROJECT}/toolbox:latest', '-t', 'gcr.io/${_OUTPUT_PROJECT}/toolbox:${TAG_NAME}', '--cache-from', 'gcr.io/${_OUTPUT_PROJECT}/toolbox:latest', '--push', 'src/cmd/toolbox'] |
| - name: 'gcr.io/cloud-builders/docker' |
| args: ['pull','gcr.io/${_OUTPUT_PROJECT}/toolbox:${TAG_NAME}'] |
| timeout: 1800s |
