For our product, each dev runs his own copy of the service. We have shared instances of r/w services (databases etc.), and use prod instances for read-only serv

For our product, each dev runs his own copy of the service. We have shared instances of r/w services (databases etc.), and use prod instances for read-only services provided by other teams. If we like what we see on a developer's machine, we can push it to prod & feel confident it will work with the currently-deployed services.