app/radio: add standby
diff --git a/app/radio/Dockerfile b/app/radio/Dockerfile
index be256b6..93354b6 100644
--- a/app/radio/Dockerfile
+++ b/app/radio/Dockerfile
@@ -5,4 +5,6 @@
 
 USER icecast
 
+COPY standby.ogg /usr/share/icecast/web/standby.ogg
+
 ENTRYPOINT ["/usr/bin/icecast", "-c", "/usr/share/icecast/icecast.xml"]