diff options
Diffstat (limited to 'guides/source/asset_pipeline.md')
| -rw-r--r-- | guides/source/asset_pipeline.md | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/guides/source/asset_pipeline.md b/guides/source/asset_pipeline.md index 52fc9726d9..984480c70f 100644 --- a/guides/source/asset_pipeline.md +++ b/guides/source/asset_pipeline.md @@ -198,12 +198,9 @@ will result in your assets being included more than once. WARNING: When using asset precompilation, you will need to ensure that your controller assets will be precompiled when loading them on a per page basis. By -default .coffee and .scss files will not be precompiled on their own. This will -result in false positives during development as these files will work just fine -since assets are compiled on the fly in development mode. When running in -production, however, you will see 500 errors since live compilation is turned -off by default. See [Precompiling Assets](#precompiling-assets) for more -information on how precompiling works. +default .coffee and .scss files will not be precompiled on their own. See +[Precompiling Assets](#precompiling-assets) for more information on how +precompiling works. NOTE: You must have an ExecJS supported runtime in order to use CoffeeScript. If you are using Mac OS X or Windows, you have a JavaScript runtime installed in @@ -581,8 +578,21 @@ runtime. To disable this behavior you can set: config.assets.raise_runtime_errors = false ``` -When this option is true asset pipeline will check if all the assets loaded in your application -are included in the `config.assets.precompile` list. +When this option is true, the asset pipeline will check if all the assets loaded +in your application are included in the `config.assets.precompile` list. +If `config.assets.digests` is also true, the asset pipeline will require that +all requests for assets include digests. + +### Turning Digests Off + +You can turn off digests by updating `config/environments/development.rb` to +include: + +```ruby +config.assets.digests = false +``` + +When this option is true, digests will be generated for asset URLs. ### Turning Debugging Off @@ -676,7 +686,7 @@ information on compiling locally. The rake task is: ```bash -$ RAILS_ENV=production bundle exec rake assets:precompile +$ RAILS_ENV=production bin/rake assets:precompile ``` Capistrano (v2.15.1 and above) includes a recipe to handle this in deployment. @@ -913,6 +923,14 @@ that it plays nicely with the pipeline. You may find quirks related to your specific set up, you may not. The defaults nginx uses, for example, should give you no problems when used as an HTTP cache. +If you want to serve only some assets from your CDN, you can use custom +`:host` option of `asset_url` helper, which overwrites value set in +`config.action_controller.asset_host`. + +```ruby +asset_url 'image.png', :host => 'http://cdn.example.com' +``` + Customizing the Pipeline ------------------------ |