def METHOD_NAME(docker: DockerClient, registry: str, howdy: str):
    registry_tag = push_image(howdy, registry, "howdy", tag="my-tag")
    assert registry_tag.startswith("localhost:5555/howdy:my-tag")
    greeting = docker.containers.run(registry_tag, remove=True).decode().strip()
    assert greeting.startswith("hello from the registry")