diff --git a/charts/alexohneander-astro/values-prod.yaml b/charts/alexohneander-astro/values-prod.yaml
index 8c596bc..5d5fa77 100644
--- a/charts/alexohneander-astro/values-prod.yaml
+++ b/charts/alexohneander-astro/values-prod.yaml
@@ -11,6 +11,11 @@ ingress:
     kubernetes.io/ingress.class: nginx
     kubernetes.io/tls-acme: "true"
     cert-manager.io/cluster-issuer: letsencrypt-prod
+    nginx.ingress.kubernetes.io/configuration-snippet : |
+      if ($request_uri ~* \.(js|css|gif|jpe?g|png|woff2)) {
+        expires 1M;
+        add_header Cache-Control "public";
+      }
   hosts:
     - host: alexohneander.de
       paths: