fix: disable NX daemon and fix env vars for faster Docker builds

- Add NX_DAEMON=false to all Dockerfiles to prevent slow daemon startup
- Add --env-file flag to hackathon build for proper env var substitution

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.github/workflows/deploy-hackathon.yml

@@ -39,6 +39,6 @@ jobs:
             VITE_SUPABASE_ANON_KEY=${{ secrets.VITE_SUPABASE_ANON_KEY }}
             EOF
             docker compose -f ~/imphnen-frontend-service-hackathon/docker-compose-hackathon.yml down || true
-            DOCKER_BUILDKIT=1 docker compose -f ~/imphnen-frontend-service-hackathon/docker-compose-hackathon.yml build --progress=plain
+            DOCKER_BUILDKIT=1 docker compose --env-file ~/imphnen-frontend-service-hackathon/.env.local -f ~/imphnen-frontend-service-hackathon/docker-compose-hackathon.yml build --progress=plain
             docker compose -f ~/imphnen-frontend-service-hackathon/docker-compose-hackathon.yml up -d
             docker image prune -af