Having used several external orchestrators I can see the appeal of the simplicity of this approach, especially for smaller teams wanting to limit the amount of

Having used several external orchestrators I can see the appeal of the simplicity of this approach, especially for smaller teams wanting to limit the amount of infrastructure to maintain. Postgres is a proven tool, and as long as you design `@step`s to each perform one non deterministic side effect, I can see this scaling very well both in terms of performance and maintainability.