fix: update docker-compose configuration; add frontend network and correct WireGuard port mapping

docker-compose.prod.yml

@@ -3,6 +3,8 @@ services:
     container_name: ca-lose-frontend
     hostname: lose-verkaufen
     build: ./frontend
+    networks:
+      - ca-lose-internal
     restart: unless-stopped
 
   backend:
@@ -47,7 +49,7 @@ services:
     volumes:
       - ./wireguard-data:/etc/wireguard
     ports:
-      - "127.0.0.1:51830:51820/udp" # WireGuard nur lokal erreichbar, Host-Port 51830
+      - "51830:51820/udp" # WireGuard extern erreichbar auf Port 51830
       - "127.0.0.1:51821:51821/tcp" # Web-UI nur lokal erreichbar
     cap_add:
       - NET_ADMIN
@@ -57,7 +59,6 @@ services:
       - net.ipv4.conf.all.src_valid_mark=1
     networks:
       - ca-lose-internal
-      - proxynet
     restart: unless-stopped
 
 volumes:
@@ -70,5 +71,3 @@ networks:
     ipam:
       config:
         - subnet: 172.25.0.0/24
-  proxynet:
-    external: true