How to set a background image in rails from css? -


i using rails 3.2 , have set background 1 of page , have tried many ways , nothing went right, looking help. have tried 

background: url(<%= asset_path 'background.jpg' %>)  background: url("public/background.jpg");  background-image:url('/assets/images/background.jpg')

and nothing worked. please me.

in css:

background-image: url(background.jpg);

or

background-image: url(/assets/background.jpg);

in environments/production.rb:

# disable rails's static asset server (apache or nginx this)   config.serve_static_assets = false  # compress javascripts , css   config.assets.compress = true  # don't fallback assets pipeline if precompiled asset missed   config.assets.compile = false  # generate digests assets urls   config.assets.digest = true

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