```ruby
# Be sure to restart your server when you modify this file.

# Version of your assets, change this if you want to expire all your assets.
Rails.application.config.assets.version = '1.0'

# Add additional assets to the asset load path
# Rails.application.config.assets.paths << Emoji.images_path

# Precompile additional assets.
# application.js, application.css, and all non-JS/CSS in app/assets folder are
# already added.
# Rails.application.config.assets.precompile += %w( search.js )

Rails.application.config.assets.precompile +=
   %w( project-form.js imagesloaded.pkgd.js )
```

Add rails_db files to precompiled list
user
```ruby
# Be sure to restart your server when you modify this file.

# Version of your assets, change this if you want to expire all your assets.
Rails.application.config.assets.version = '1.0'

# Add additional assets to the asset load path
# Rails.application.config.assets.paths << Emoji.images_path

# Precompile additional assets.
# application.js, application.css, and all non-JS/CSS in app/assets folder are
# already added.
# Rails.application.config.assets.precompile += %w( search.js )

Rails.application.config.assets.precompile +=
  %w( project-form.js imagesloaded.pkgd.js )

# For /rails/db (used only in development, but no harm in just adding it here)
Rails.application.config.assets.precompile +=
  %w( rails_db/logo.png rails_db/logo_mini.png
      rails_db/data_table_code.png rails_db/data_table.png )
```
assistant