diff --git a/nginx/conf.d/default.conf b/nginx/conf.d/default.conf
index 4bb9a97..c67b44e 100644
--- a/nginx/conf.d/default.conf
+++ b/nginx/conf.d/default.conf
@@ -2,24 +2,30 @@ server {
     listen 80;
     server_name  localhost;
 
+    # Where your assets live
     root /usr/share/nginx/html;
     index index.html;
 
-    # --- STATIC WEB UI -------------------------------------------------------
+    # ---------- Default site (HTML/CSS/JS) ----------
     location / {
         try_files $uri $uri/ =404;
     }
 
-    # --- MEDIA FILES ---------------------------------------------------------
-    # Anything with audio-ish extension gets correct MIME + long-term caching.
-    location ~ \.(opus|ogg|mp3|flac|wav)$ {
-        # 30-day client cache, tweak at will
+    # ---------- Audio (and optional video) ----------
+    # 30-day cache; adjust max-age as needed.
+    location ~ \.(opus|ogg|mp3|flac|wav|m4a|aac|mp4|webm)$ {
         add_header Cache-Control "public, max-age=2592000" always;
 
-        # nginx:1.27 doesn’t know .opus by default → teach it:
-        types { audio/opus opus; }
+        # Teach Nginx any MIME types it doesn’t already know:
+        types {
+            audio/opus   opus;
+            audio/mpeg   mp3;
+            audio/mp4    m4a;
+            audio/aac    aac;
+            video/mp4    mp4;
+            video/webm   webm;
+        }
 
         try_files $uri =404;
-        }
     }
 }