diff --git a/roles/native-nginx-docker-proxy/readme.md b/roles/native-nginx-docker-proxy/readme.md
index 66aa5f44..620b65d6 100644
--- a/roles/native-nginx-docker-proxy/readme.md
+++ b/roles/native-nginx-docker-proxy/readme.md
@@ -1,4 +1,11 @@
 # role native-nginx-docker-proxy
+
+## debug
+```bash
+curl -I {{address}}
+```
+- https://serverfault.com/questions/434915/nginx-proxy-caching-how-to-check-if-it-is-working
+
 ## performance
 - https://stackoverflow.com/questions/33703230/caching-images-on-all-folder-levels-of-nginx-reverse-proxy
 - https://www.tweaked.io/guide/nginx-proxying/
diff --git a/roles/native-nginx-docker-proxy/templates/proxy_pass.conf.j2 b/roles/native-nginx-docker-proxy/templates/proxy_pass.conf.j2
index 672714b3..f164c4f5 100644
--- a/roles/native-nginx-docker-proxy/templates/proxy_pass.conf.j2
+++ b/roles/native-nginx-docker-proxy/templates/proxy_pass.conf.j2
@@ -14,6 +14,11 @@ location /
   proxy_read_timeout          300;
   send_timeout                300;
 
+  # general caching
+  proxy_cache          cache;
+  proxy_cache_key      $host$uri$is_args$args;
+  proxy_cache_valid    any 1m;
+
   # cache media files
   location ~* \.(gif|ico|jpg|jpeg|png|svg|mp4|mp3|pdf)$ {
     proxy_cache          cache;