{
  description = "Homelab v5 Nixos Server Configurations";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-25.11";
    nixpkgs-unstable.url = "github:nixos/nixpkgs?ref=nixos-unstable";

    alerttonotify = {
      url = "git+https://git.t-juice.club/torjus/alerttonotify?ref=master";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    nixos-exporter = {
      url = "git+https://git.t-juice.club/torjus/nixos-exporter";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
    homelab-deploy = {
      url = "git+https://git.t-juice.club/torjus/homelab-deploy?ref=master";
      inputs.nixpkgs.follows = "nixpkgs-unstable";
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      nixpkgs-unstable,
      alerttonotify,
      nixos-exporter,
      homelab-deploy,
      ...
    }@inputs:
    let
      system = "x86_64-linux";
      overlay-unstable = final: prev: {
        unstable = import nixpkgs-unstable {
          inherit system;
          config.allowUnfree = true;
        };
      };
      commonOverlays = [
        overlay-unstable
        alerttonotify.overlays.default
      ];
      # Common modules applied to all hosts
      commonModules = [
        (
          { config, pkgs, ... }:
          {
            nixpkgs.overlays = commonOverlays;
            system.configurationRevision = self.rev or self.dirtyRev or "dirty";
          }
        )
        nixos-exporter.nixosModules.default
        homelab-deploy.nixosModules.default
        ./modules/homelab
      ];
      allSystems = [
        "x86_64-linux"
        "aarch64-linux"
        "x86_64-darwin"
        "aarch64-darwin"
      ];
      forAllSystems =
        f: nixpkgs.lib.genAttrs allSystems (system: f { pkgs = import nixpkgs { inherit system; }; });
    in
    {
      nixosConfigurations = {
        ha1 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/ha1
          ];
        };
        template2 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/template2
          ];
        };
        http-proxy = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/http-proxy
          ];
        };
        monitoring01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/monitoring01
          ];
        };
        jelly01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/jelly01
          ];
        };
        nix-cache01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/nix-cache01
          ];
        };
        nats1 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/nats1
          ];
        };
        vault01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/vault01
          ];
        };
        testvm01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/testvm01
          ];
        };
        testvm02 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/testvm02
          ];
        };
        testvm03 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/testvm03
          ];
        };
        ns2 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/ns2
          ];
        };
        ns1 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/ns1
          ];
        };
        kanidm01 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/kanidm01
          ];
        };
        monitoring02 = nixpkgs.lib.nixosSystem {
          inherit system;
          specialArgs = {
            inherit inputs self;
          };
          modules = commonModules ++ [
            ./hosts/monitoring02
          ];
        };
      };
      packages = forAllSystems (
        { pkgs }:
        {
          create-host = pkgs.callPackage ./scripts/create-host { };
          vault-fetch = pkgs.callPackage ./scripts/vault-fetch { };
        }
      );
      devShells = forAllSystems (
        { pkgs }:
        {
          default = pkgs.mkShell {
            packages = [
              pkgs.ansible
              pkgs.opentofu
              pkgs.openbao
              pkgs.kanidm_1_8
              (pkgs.callPackage ./scripts/create-host { })
              homelab-deploy.packages.${pkgs.system}.default
            ];
          };
        }
      );
    };
}