diff --git a/Dockerfile b/Dockerfile
index 4268639..c877132 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN strip target/release/woweb-poc
 
 RUN adduser -D woweb
 
+RUN sed -i 's|ws://localhost:3000/ws|wss://woweb.vanwa.ch/ws|' assets/index.js
 
 FROM scratch