module RubyPGExtras

def self.connection
  database_uri = URI.parse(database_url)
  @_connection ||= PG.connect(
    dbname: database_uri.path[1..-1],
    host: database_uri.host,
    port: database_uri.port,
    user: database_uri.user,
    password: database_uri.password
  )
end