@Override
    public CreateContainerCmd register(GenericContainer<?> container, CreateContainerCmd cmd) {
        if (container == ryukContainer) {
            // Do not register Ryuk container to avoid self-pruning
            return cmd;
        }

        maybeStart();
        return super.register(container, cmd);
    }
Ryuk-based {@link ResourceReaper} implementation.

@see <a href="https://github.com/testcontainers/moby-ryuk">moby-ryuk</a>
core/src/main/java/org/testcontainers/utility/RyukResourceReaper.java