diff --git a/.gitignore b/.gitignore
index 7d704ff02..d3940784b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,4 +45,5 @@ dbbackups
*.tar.gz
*.zip
-sites/default/config/sync/system.performance.yml
+# this is not working as missing config a simply delete on import
+# sites/default/config/sync/system.performance.yml
diff --git a/sites/default/config/sync/system.performance.yml b/sites/default/config/sync/system.performance.yml
new file mode 100644
index 000000000..7a276db56
--- /dev/null
+++ b/sites/default/config/sync/system.performance.yml
@@ -0,0 +1,18 @@
+cache:
+ page:
+ max_age: 0
+css:
+ preprocess: false
+ gzip: true
+fast_404:
+ enabled: true
+ paths: '/\.(?:txt|png|gif|jpe?g|css|js|ico|swf|flv|cgi|bat|pl|dll|exe|asp)$/i'
+ exclude_paths: '/\/(?:styles|imagecache)\//'
+ html: '404 Not FoundNot Found
The requested URL "@path" was not found on this server.
'
+js:
+ preprocess: false
+ gzip: true
+stale_file_threshold: 2592000
+_core:
+ default_config_hash: b2cssrj-lOmATIbdehfCqfCFgVR0qCdxxWhwqa2KBVQ
+langcode: fr