Episode #53 - Serving dynamic vector tiles might not be as difficult as you think. Paul Ramsey from Crunchy Data starts off by walking us through the early days of PostGIS, explaining what a vector tile is and the advantages over image tiles before explaining how you can easily and safely serve your own data as vector tiles straight from a PostgreSQL database.
GraphHopper provides web services to add for route planning, navigation and route optimization to your application in the food delivery industry or for traveling salesmen.