Using the nginx module on NixOS[1] and enabling services.nginx.validateConfigFil, which defaults to true, generated nginx configurations will be checked by Gixy[2]. The build will actually fail if Gixy finds any issues.

[1]: https://github.com/NixOS/nixpkgs/blob/nixos-24.11/nixos/modu... [2]: https://github.com/NixOS/nixpkgs/blob/nixos-24.11/pkgs/build...