Saturday, July 20, 2013

[Rails] Understating how assets in Rails 4 work in production

When I run

rake assets:precompile

The compiled assets are written to pubic/assets:

I, [2013-07-21T02:16:00.987988 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/glyphicons-halflings-white-62b67d9edee3db90d18833087f848d6e.png  I, [2013-07-21T02:16:01.037698 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/glyphicons-halflings-c806376f05e4ccabe2c5315a8e95667c.png  I, [2013-07-21T02:16:01.053630 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/marketing/slider-base/slide-01-b85e542137a02bedd6c30dede873ef1e.jpg  I, [2013-07-21T02:16:01.066371 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/marketing/slider-base/slide-02-e5106e911d8a0289bfaf2ac64308a640.jpg  I, [2013-07-21T02:16:01.077879 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/marketing/slider-base/slide-03-990dccbed4c70f0118b7d30d98094811.jpg  I, [2013-07-21T02:16:01.965560 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/application-98713f9763bccfd6bc05dae422d3e242.js  I, [2013-07-21T02:16:02.068469 #13881]  INFO -- : Writing /home/jpereira/dev/saleshub/public/assets/application-a40c2cd9b0f20b2a7f3b62d45159fbb3.css

Then, I start the application in production, with:

RAILS_ENV=production rails s    => Booting WEBrick  => Rails 4.0.0 application starting in production on http://0.0.0.0:3000  => Run `rails server -h` for more startup options  => Ctrl-C to shutdown server  [2013-07-21 02:20:49] INFO  WEBrick 1.3.1  [2013-07-21 02:20:49] INFO  ruby 2.0.0 (2013-06-27) [x86_64-linux]  [2013-07-21 02:20:49] INFO  WEBrick::HTTPServer#start: pid=13903 port=3000

But the rendered pages, don't look for the precompiled asses. In the rendered templates I got:

<!DOCTYPE html>  <html>  <head>    <title>App Home Pagetitle>      <link data-turbolinks-track="true" href="/stylesheets/application.css" media="all" rel="stylesheet" />    <link href="/stylesheets/application.css" media="all" rel="stylesheet" />    <link href="/stylesheets/marketing.css" media="all" rel="stylesheet" />    <script src="/javascripts/application.js"></script>    <script src="/javascripts/marketing.js"></script>    <meta content="authenticity_token" name="csrf-param" />    <meta content="8XQYBZWrTxmfdGvQYCK0JwQDfr2pt8si+FjW4a30SsA=" name="csrf-token" />  </head>  <body>    </body>  </html>

The template is the following:

!!! 5  %html    %head      %title App Home Page      =yield(:head)      = stylesheet_link_tag "application", media: "all", "data-turbolinks-track" => true      = stylesheet_link_tag "application", params[:controller], :media => "all"      = javascript_include_tag "application", params[:controller]      = csrf_meta_tags    %body      =flash_messages(flash)      = yield

My production.rb is as follows:

WebApp::Application.configure do     config.cache_classes = true    config.eager_load = true    config.consider_all_requests_local       = false    config.action_controller.perform_caching = true    config.serve_static_assets = false    config.assets.js_compressor = :uglifier    config.assets.compile = false    config.assets.digest = true    config.assets.version = '1.0'    config.log_level = :info    config.i18n.fallbacks = true    config.active_support.deprecation = :notify    config.log_formatter = ::Logger::Formatter.new

end

What I need to configure to have stylesheet_link_tag and javascript_include_tag pick the right assets location on production?

Thanks

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