TTTT

1. Heroku (Mon 4/21)

1. Make sure your project is a git repo.
2. Run heroku login in terminal.
3. Run heroku create. * This will create a new app in your account, with a super epic name.
4. Push your app to Heroku * git push heroku master * heroku run bundle exec rake db:migrate to run your migrations on heroku

Gotchas:

• Make sure you're using Postgres. Heroku doesn't support SQLite3.
• config.initialize_on_precompile = false in config/application.rb
• ruby '2.1.1' in your Gemfile
• If you don't have the heroku terminal command, install the Heroku Toolbelt
• If you change your super epic default app name on Heroku, you also have to change your git URI.

2. Paperclip & Figaro (Tue 4/22)

1. Paperclip makes it easy to manage file attachments to models. * Many storage options. Use S3 on AWS for Heroku. See:

   • Gemfile: gem 'paperclip' & gem 'aws-sdk'
   • config/application.rb
   • app/models/user.rb
   • app/views/users/new.html.erb & app/views/users/show.html.erb * Gotchas:
   • Make sure you make your S3 bucket in the US Standard region.
   • Put this on the form that submits the file: enctype=multipart/form-data
   • DONT GIT COMMIT YOUR AWS KEYS!

2. Figaro makes it easy to keep your private keys.. private. 1. gem 'figaro' 2. rails generate figaro:install 3. Edit config/application.yml 4. rake figaro:heroku to push up your keys to Heroku.

3. Omniauth & Oauth-Facebook (Wed 4/23)

1. Files to look at: * Gemfile * config/initializers/omniauth.rb * app/views/layouts/application.html.erb * config/routes.rb * app/controllers/sessions_controller.rb
2. Flow 1. User get to your app and hits a link to 'Login w/fb'
   • Sends them to /auth/facebook, which gets intercepted by omniauth gem. 2. This redirects them to facebook, where they authorize your app. 3. Facebook redirects to your app (to /auth/facebook/callback) 4. You handle the redirect in some controller action.
   • You'll probably grab a user from the db or create one from the info in request.env['omniauth.auth']
3. Gotchas * Make sure you create your app on www.developers.facebook.com
   • Whitelist your redirect URI in Settings > Valid Oauth redirect URIs * Have a route in routes.rb for auth/facebook/callback