fix background img

app/assets/stylesheets/custom.scss

@@ -1098,7 +1098,7 @@ $main-color: #23303D;
 .banner_detail {
   width: 100%;
   height: 300px;
-  background-image: url('11.jpg');
+  background-image:asset-url('11.jpg');
   background-repeat: no-repeat;
   background-size: cover;
 }

config/environments/production.rb

@@ -3,9 +3,6 @@ Rails.application.configure do
 
   # Code is not reloaded between requests.
   config.cache_classes = true
-  config.serve_static_assets = true
-  config.assets.compile = true
-  config.autoload_paths << Rails.root.join('assets/images')
   # Eager load code on boot. This eager loads most of Rails and
   # your application in memory, allowing both threaded web servers
   # and those relying on copy on write to perform better.