# Common These are packages containing the basic building blocks for running a service as well as shared models. * [db](db/) contains SQL code and some database-related utilities. * [config](config/) contains some `@Inject`ables. * [renderer](renderer/) contains utility code for rendering website templates. * [service](service/) is the shared base classes for main methods and web services. * [service-client](service-client/) is the shared base class for RPC. * [service-discovery](service-discovery) contains tools that lets the services find each other. * [process](process/) contains boiler plate for batch processes.