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ruby on rails - Heroku font assets not working

Placed fonts in app/assets/fonts

Added

Add the fonts path
config.assets.paths << Rails.root.join('app', 'assets', 'fonts')

Precompile additional assets
config.assets.precompile += %w( .svg .eot .woff .ttf )

in production.rb and development.rb

Fonts linked in css like:

@font-face {
  font-family: 'Icomoon';
  src:url('/assets/icomoon.eot');
  src:url('/assets/icomoon.eot?#iefix') format('embedded-opentype'),
    url('/assets/icomoon.svg#icomoon') format('svg'),
    url('/assets/icomoon.woff') format('woff'),
    url('/assets/icomoon.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

Seems to work in development. But in HEROKU is does not seem to work. It cannot find /assets/icomoon.eot .

The solution in this link does not seem to work

Using fonts with Rails asset pipeline

See Question&Answers more detail:os

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1 Answer

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Assets like fonts will work on development but not production if you are using regular old css to locate your assets rather than the asset pipeline helpers. Rails 4 added breaking changes to the asset pipeline to encourage people to use it properly, and not use the old css method of referencing assets.

To resolve this, you need to use the new asset pipeline helpers to point to the fingerprinted, cached versions of your fonts. Rather than url (which does not use the asset pipeline), you need to use font-url (which does use it). To do this, you may have to use Sass or embed ERB in your stylesheet.

Example (using SCSS):

@font-face {
  font-family: 'Icomoon';
  src: font-url("/assets/icomoon.eot");
  src: font-url("/assets/icomoon.eot?#iefix") format("embedded-opentype"), font-url("/assets/icomoon.svg#icomoon") format("svg"), font-url("/assets/icomoon.woff") format("woff"), font-url("/assets/icomoon.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

See here: http://guides.rubyonrails.org/asset_pipeline.html#coding-links-to-assets


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