After a bit of research, I found that the `cached` keyword has since been deprecated, so I will be removing that from this publication to avoid confusion. I also found that `rw` is the default mode for volumes in the Docker Compose file version 3 so it's technically redundant to have, but I'm going to leave it for clarity. Sources: https://docs.docker.com/compose/compose-file/compose-file-v3/#volumes, https://github.com/docker/for-mac/issues/5402, https://forums.docker.com/t/what-happened-to-delegated-cached-ro-and-other-flags/105097. And also while I'm at it, I think I will go ahead and include the version at the top of the `docker-compose.yml` file, as you originally suggested, to avoid confusion about which version is being used. Thanks again for the insights, Akkahshh!