diff options
| -rw-r--r-- | railties/guides/source/asset_pipeline.textile | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/railties/guides/source/asset_pipeline.textile b/railties/guides/source/asset_pipeline.textile index 68106500d0..91fe454d94 100644 --- a/railties/guides/source/asset_pipeline.textile +++ b/railties/guides/source/asset_pipeline.textile @@ -74,7 +74,10 @@ The other problems is that when static assets are deployed with each new release Fingerprinting avoids all these problems be ensuring filenames are consistent based on the content. -TODO: Link to resources +More reading: + +* "Optimize caching":http://code.google.com/speed/page-speed/docs/caching.html +* "Revving Filenames: don’t use querystring":http://www.stevesouders.com/blog/2008/08/23/revving-filenames-dont-use-querystring/ h3. How to Use the Asset Pipeline @@ -185,7 +188,7 @@ h3. In Production In the production environment, assets are served slightly differently. -On the first request the assets are compiled and cached as before, however the manifest names are altered to include an md5 hash. Files names will typically look like these: +On the first request the assets are compiled and cached as described above, however the manifest names are altered to include an MD5 hash. Files names typically will look like these: <plain> /assets/application-908e25f4bf641868d8683022a5b62f54.js @@ -199,17 +202,17 @@ Sprockets also sets the +Cache-Control+ http header to +max-age=31536000+. This This behavior is controlled by the setting of +config.action_controller.perform_caching+ setting in Rails (which is +true+ for production, +false+ for everything else). This value is propagated to Sprockets during initialization for use when action_controller is not available. TODO: +describe each and the differences between: * Sass-rails's handy +image_url+ helpers - * ERB pre-processing and +asset_url+ - + * ERB pre-processing and +asset_path+ h4. Precompiling assets -TODO: Complete this - Even though assets are served by Rack::Cache with far-future headers, in high traffic sites this may not be fast enough. -Rails comes bundled with a rake task to compile the manifest to a file on disc. These are located in the +public/assets+ directory where they will be served by your web server instead of the Rails application. +Rails comes bundled with a rake task to compile the manifests to files on disc. These are located in the +public/assets+ directory where they will be served by your web server instead of the Rails application. + +TODO: Add section about image assets The rake task is: @@ -235,13 +238,14 @@ h3. Customizing The Pipeline h4. CSS -TODO: Talk about the options +There is currently one option for processing CSS - SCSS. This Gem extends the CSS syntax and offers minification. + +The following line will enable SCSS in you project. <erb> config.assets.css_compressor = :scss </erb> -current options are scss h4. Javascript |