code: public void stop() throws InterruptedException {
      // Tell docker to stop or eventually kill the container
      final String container = containerId.or(containerName);
  
      // Interrupt the thread blocking on waitContainer
      stopAsync().awaitTerminated();
  
      if (System.getenv("CONTAINER_STATS") != null) {
        try {
          log.info("container {} stats: {}", containerName, docker.stats(containerName));
        } catch (DockerException e) {
          log.warn("Could not log container stats. Exception was {}", e);
        }
      }
      try {
        docker.stopContainer(container, secondsToWaitBeforeKill);
      } catch (DockerException e) {
        if ((e instanceof ContainerNotFoundException) && !containerId.isPresent()) {
          // we tried to stop the container by name but no container of the given name existed.
          // this isn't surprising or exceptional, just means the container wasn't started yet.
        } else {
          log.warn("Stopping container {} failed", container, e);
        }
      }
    }
docs: Stops this container.