shapefile-webservice
strictly work in progress
Usage
Move your Shapefiles into data/, open app.rb and change the path to shape file (SHAPE_FILE constant).
Run sinatra app: ruby app.rb
Open Browser at http://localhost:4567/.
See app.rb's routes for possible options.
Note
You might find example Berlin ZIP Code shapefile data at: http://www.metaspatial.net/downloads/plz.tar.gz