@Override
    public StartupStatus checkStartupState(DockerClient dockerClient, String containerId) {
        InspectContainerResponse.ContainerState state = getCurrentState(dockerClient, containerId);
        return checkState(state);
    }
Simplest possible implementation of {@link StartupCheckStrategy} - just check that the container
has reached the running state and has not exited.
core/src/main/java/org/testcontainers/containers/startupcheck/IsRunningStartupCheckStrategy.java