Pattern: Missing use of Rails.public_path
Issue: -
Favor Rails.public_path
over Rails.root
with 'public'
# bad
Rails.root.join('public')
Rails.root.join('public/file.pdf')
Rails.root.join('public', 'file.pdf')
# good
Rails.public_path
Rails.public_path.join('file.pdf')
Rails.public_path.join('file.pdf')