diff --git a/Dockerfile b/Dockerfile
index 559f872..5363bfb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,8 @@ FROM node:22-alpine AS build
 WORKDIR /app
 
 # Backend URLs are baked in at build time (Vite inlines VITE_* variables).
-ARG VITE_API_BASE=https://localhost:3000
-ARG VITE_WS_BASE
+ARG VITE_API_BASE=https://me-system-api.johannesbot.de
+ARG VITE_WS_BASE=wss://me-system-api.johannesbot.de
 ENV VITE_API_BASE=$VITE_API_BASE
 ENV VITE_WS_BASE=$VITE_WS_BASE