Of a devcontainer, or a Rails app Dockerfile? I've built many Rails apps in Docker, and there's a lot you have to add. To utilize devcontainers, I feel like it

Of a devcontainer, or a Rails app Dockerfile? I've built many Rails apps in Docker, and there's a lot you have to add. To utilize devcontainers, I feel like it would need to include a lot of the boilerplate that is missing here. You could roll your own, but I think that would strongly impair devcontainer adoption industrywide.