scripts/test/e2e/wait-on-daemon - external/github.com/docker/cli - Git at Google

 #!/usr/bin/env bash
 set -eu -o pipefail

 echo "Waiting for docker daemon to become available at $DOCKER_HOST"
 while ! docker version > /dev/null; do
     sleep 0.3
 done

 docker version
	#!/usr/bin/env bash
	set -eu -o pipefail

	echo "Waiting for docker daemon to become available at $DOCKER_HOST"
	while ! docker version > /dev/null; do
	sleep 0.3
	done

	docker version