Star doesn't show on production with letsrate gem - ruby-on-rails

Question

In my app I use letsrate gem, on development all work fine, but on production stars doesn't show why?
letsrate.js.erb file
$.fn.raty.defaults.path = "/assets";
$.fn.raty.defaults.half_show = true;
$(function(){
$(".star").raty({
score: function(){
return $(this).attr('data-rating')
},
number: function() {
return $(this).attr('data-star-count')
},
click: function(score, evt) {
$.post('<%= Rails.application.class.routes.url_helpers.rate_path %>',
{
score: score,
dimension: $(this).attr('data-dimension'),
id: $(this).attr('data-id'),
klass: $(this).attr('data-classname')
},
function(data) {
if(data) {
// success code goes here ...
}
});
}
});
});
$.fn.raty.defaults.path = "/assets";
It works on development but doesn't work on production, I think it doesn't work because in production after assets precompile all images move to the public/assets path
What do I need to do to show images?
mysite.com/assets/star-on-287807403acda8ff0b61388109ea5b6e.png
my images "stars" on this url

Answer 1

1 step: Please paste the following lines to application.js file:
//= require jquery.raty
//= require letsrate
2 step: Execute the following cmd line in your terminal:
rake assets:precompile RAILS_ENV=production
3 step: Copy .png files from /images folder into /public/assets directory
star-half.png
star-off.png
start-on.png
4 step: execute the following cmd line in your terminal:
rails s -e production
I am using NetBeans IDE environment, Rails 4.2 and letsrate gem 1.0.9