You can read more about it in the <a href="https://docs.docker.com/reference/dockerfile/#shell-and-exec-form" class="external-link" target="_blank">Docker docs for shell and exec form</a>.

release=$(git describe --abbrev=0 --tags)

docker buildx build --push --no-cache \
	--build-arg RELEASE="${release}" \
	-t "minio/minio:latest" \
	-t "quay.io/minio/minio:latest" \
	-t "minio/minio:${release}" \
	-t "quay.io/minio/minio:${release}" \
	--platform=linux/arm64,linux/amd64,linux/ppc64le \
	-f Dockerfile.release .

docker buildx prune -f

docker buildx build --push --no-cache \

      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1
      -
        name: Login to DockerHub
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1
      -
        name: Login to GCR
        if: contains(github.event.pull_request.labels.*.name, 'build and push to gcr.io for staging')
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:

      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1
      -
        name: Login to DockerHub
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -

  # environment:
    # MINIO_ROOT_USER: minioadmin
    # MINIO_ROOT_PASSWORD: minioadmin
  healthcheck:
    test: ["CMD", "mc", "ready", "local"]
    interval: 5s
    timeout: 5s
    retries: 5

# starts 4 docker containers running minio server instances.
# using nginx reverse proxy, load balancing, you can access
# it through port 9000.
services:
  minio1:
    <<: *minio-common
    hostname: minio1
    volumes:

this is just a marker file....

docker-hotfix-push: docker-hotfix
	@docker push -q $(TAG) && echo "Published new container $(TAG)"

docker-hotfix: hotfix-push checks ## builds minio docker container with hotfix tags
	@echo "Building minio docker image '$(TAG)'"
	@docker build -q --no-cache -t $(TAG) --build-arg RELEASE=$(VERSION) . -f Dockerfile.hotfix

docker: build ## builds minio docker container

conformance:v1.31.2](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/conformance) | [amd64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/conformance-amd64), [arm64](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/conformance-arm64), [ppc64le](https://console.cloud.google.com/artifacts/docker/k8s-artifacts-prod/southamerica-east1/images/conformance-ppc64le),...

		//
		// DESC: If we have a packet mark, set a connmark.
		iptablesBuilder.AppendRule(iptableslog.UndefinedCommand, ChainInpodPrerouting, iptablesconstants.MANGLE, "-m", "mark",
			"--mark", inpodMark,
			"-j", "CONNMARK",
			"--set-xmark", inpodTproxyMark)

		// Handle healthcheck probes from the host node. In the host netns, before the packet enters the pod, we SNAT