[cbsmith]

> (Of course, it's completely possible to build a single container which runs all of the services in parallel, but then monitoring/scaling/availability/etc are more difficult to handle.)

Having done both, I'm always surprised when people say that it is more difficult to handle running N-copies of the same container than a heterogeneous set of containers. Sure, at really large scale you can glean efficiencies from it (which is why one might do it), but there's a lot of complexity that comes with that.