diff --git a/lawlibrary/settings.py b/lawlibrary/settings.py
index 477569427..2d4c614f5 100644
--- a/lawlibrary/settings.py
+++ b/lawlibrary/settings.py
@@ -14,3 +14,10 @@
 TEMPLATES[0]["OPTIONS"]["context_processors"].append(  # noqa
     "lawlibrary.context_processors.lawlibrary"
 )
+
+
+if not DEBUG:  # noqa
+    # Law Library media files are stored on S3 and served via a Cloudflare CDN (via copying to R2).
+    # We can therefore set long-lived cache headers and serve them from a custom domain.
+    AWS_S3_OBJECT_PARAMETERS = {"CacheControl": f"max-age={86400*5}"}
+    AWS_S3_CUSTOM_DOMAIN = "media.lawlibrary.org.za"