{
  description = "NixOS configuration (flake edition)";

  inputs = {
    nixpkgs = {
      url = "github:nixos/nixpkgs/nixos-unstable";
    };
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    agenix = {
      url = "github:ryantm/agenix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
    nixos-hardware.url = "github:NixOS/nixos-hardware/master";
    deploy-rs.url = "github:serokell/deploy-rs";
  };

  outputs =
    { self
    , nixpkgs
    , home-manager
    , agenix
    , nixos-hardware
    , deploy-rs
    , ...
    }:
    let
      common-modules = [
        ./cachix.nix
        ./modules/nix.nix
        ./modules/common.nix
        ./modules/fish.nix
      ];
    in
    {
      nixosConfigurations = {

        # The Workhorse: WSL2 edition
        hermes = nixpkgs.lib.nixosSystem {
          system = "x86_64-linux";
          modules = common-modules ++ [

            # Modules and module config
            ./modules/users.nix
            ./modules/fonts.nix
            ./modules/plasma-desktop.nix

            # Host-specific config
            ./hosts/hermes/configuration.nix
            ./hosts/hermes/syncthing.nix
            # ./hosts/hermes/backup.nix
            agenix.nixosModules.age
            ./hosts/hermes/secrets/agenix.nix

            # User-specific config
            home-manager.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.users = {
                payas = import ./hosts/hermes/home.nix;
                root = import ./modules/root-home.nix;
              };
            }

          ];
        };

        # My Pi
        bebop = nixpkgs.lib.nixosSystem {
          system = "aarch64-linux";
          modules = common-modules ++ [

            # Modules and module config
            ./modules/mail.nix
            ./modules/monitoring/monitoring.nix
            # ./modules/calibre.nix
            ./modules/paperless.nix
            ./modules/outline.nix
            ./modules/plausible.nix
            ./modules/vaultwarden.nix
            ./modules/hledger.nix
            ./modules/etesync.nix
            # ./modules/photoprism.nix

            # Host-specific config
            nixos-hardware.nixosModules.raspberry-pi-4
            ./hosts/bebop/configuration.nix
            ./hosts/bebop/syncthing.nix
            ./hosts/bebop/navidrome.nix
            ./hosts/bebop/pihole.nix
            ./hosts/bebop/ssh.nix
            ./hosts/bebop/cloudflared.nix
            ./hosts/bebop/gitea.nix

            agenix.nixosModules.age
            ./hosts/hermes/secrets/agenix.nix

            # User-specific config : Home-manager
            home-manager.nixosModules.home-manager
            {
              home-manager.useGlobalPkgs = true;
              home-manager.useUserPackages = true;
              home-manager.users.payas = import ./hosts/bebop/home.nix;
            }
          ];
        };
      };

      deploy.nodes = {
        bebop = {
          hostname = "bebop";
          fastConnection = true;
          remoteBuild = true;
          profiles.system = {
            sshUser = "payas";
            user = "root";
            path = deploy-rs.lib.aarch64-linux.activate.nixos self.nixosConfigurations.bebop;
          };
        };
      };

      # This is highly advised, and will prevent many possible mistakes
      checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
    };
}