Fix: allow optical-dev.oliver.solutions host in Next.js 15+ validation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -9,6 +9,9 @@ services:
     volumes:
       - ./config:/app/config
       - /var/run/docker.sock:/var/run/docker.sock:ro
+    environment:
+      HOSTNAME: "::"
+      NEXT_PRIVATE_ALLOWED_HOSTS: "optical-dev.oliver.solutions,localhost,127.0.0.1"
     restart: unless-stopped
     healthcheck:
       test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://127.0.0.1:3000/api/healthcheck || exit 1"]