Use #root instead of #app_file
Use #root instead of #app_file

BrunaNett/sinatra-activerecord,exviva/sinatra-activerecord,ZalmanB/sinatra-activerecord,avillanu/uberapp,sdolmo/sinatra-activerecord,avillanu/uberapp,janko-m/sinatra-activerecord,townie/sinatra-activerecord