simple-sinatra-sequel-blog 
A simple blog with Sinatra and Sequel. ~150 lines of code.
Live example: telos.co.nz
start
$ DATABASE_URL=postgres://127.0.0.1/<DB_NAME> rackupheroku
$ heroku app:create <APP_NAME>
$ heroku config:set ADMIN_USERNAME=<USERNAME> ADMIN_PASSWORD=<PASSWORD>
$ git push heroku master