fix: NEXT_PUBLIC_* URLs als Docker Build-Args weitergereicht

docker-compose.yml

@@ -1,6 +1,10 @@
 services:
   michess:
-    build: .
+    build:
+      context: .
+      args:
+        NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:3001}
+        NEXT_PUBLIC_APP_URL: ${NEXT_PUBLIC_APP_URL:-http://localhost:3000}
     image: michess:latest
     container_name: michess
     restart: unless-stopped