Resetting up with PostgreSQL
Set up model and controller for posts; posts index page displays a notice when there are no posts and a prompt to add a post
Added photo and caption to Post model; index page displays both
Wrote and passed test for creating a post using the form
Adding secrets.yml to .gitignore
User is shown an error message if they try to create a post without a photo
Using Paperclip validator to check for photo presence
Changed image type on index.html.erb to match the model
Using different directory for paperclip attachments in test environment
Added Comment model and controller, associated comment with post, user can create comments through a form
Added validation so empty comments can't be submitted
Using FactoryGirl to create posts
Model test for post
Model tests for comment
Generated Devise user model