I built something along the same lines many years ago, with routing but not geocoding. https://github.com/stevage/saltymill https://github.com/stevage/saltymil

I built something along the same lines many years ago, with routing but not geocoding. https://github.com/stevage/saltymill https://github.com/stevage/saltymill Yeah, it's a pain in the arse getting all the bits together. And I wasn't attempting full planet scale.