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-rw-r--r--guides/source/upgrading_ruby_on_rails.md6
1 files changed, 4 insertions, 2 deletions
diff --git a/guides/source/upgrading_ruby_on_rails.md b/guides/source/upgrading_ruby_on_rails.md
index 1fe95c3422..fa6a01671b 100644
--- a/guides/source/upgrading_ruby_on_rails.md
+++ b/guides/source/upgrading_ruby_on_rails.md
@@ -1191,8 +1191,10 @@ You can help test performance with these additions to your test environment:
```ruby
# Configure static asset server for tests with Cache-Control for performance
-config.serve_static_files = true
-config.static_cache_control = 'public, max-age=3600'
+config.public_file_server.enabled = true
+config.public_file_server.headers = {
+ 'Cache-Control' => 'public, max-age=3600'
+}
```
### config/initializers/wrap_parameters.rb