database-uri.rb

# I was hoping something like this might work ....
# The hope was that config.database could as easily be a string as a hash....

+++configurations/development.rb

module Blog

  module Configurations

    class Development < Default

      database 'jdbc:postgresql://localhost/jblog?user=waves'
....

+++layers/orm/sequel.rb

          def app.database
            if defined?(JRUBY_VERSION)
              @sequel ||= ::Sequel.connect config.database
          else
              @sequel ||= ::Sequel.open( config.database )
             end
           end