take outstanding picture by chance
Ruby on Rails(4.1+) MySQL
Host in Heroku
# create app & add addons
heroku create city-scape
heroku addons:add cleardb:ignite --app your-app-id
heroku config:set DATABASE_URL='mysql2://your-cleardb-url'
heroku addons:add scheduler
# deploy
git push heroku master
# make db
heroku run rake db:migrate
heroku run rake db:seed_fu
# set config
heroku config:add AWS_ACCESS_KEY=YOUR_ACCESS_KEY
heroku config:add AWS_SECRET_KEY=YOUR_SECRET_KEY
# set rake task in scheduler
rake photo:fetch (every 1h)
rake photo:purge (every day)