-repl-flakes, fix:homeConfiguration module

flake.lock

@@ -21,6 +21,27 @@
         "type": "github"
       }
     },
+    "colmena": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs_2",
+        "stable": "stable"
+      },
+      "locked": {
+        "lastModified": 1728263678,
+        "narHash": "sha256-gyUVsPAWY9AgVKjrNPoowrIr5BvK4gI0UkDXvv8iSxA=",
+        "owner": "zhaofengli",
+        "repo": "colmena",
+        "rev": "b0a62f234fae02a006123e661ff70e62af16106b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zhaofengli",
+        "repo": "colmena",
+        "type": "github"
+      }
+    },
     "darwin": {
       "inputs": {
         "nixpkgs": [
@@ -50,11 +71,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1726524467,
-        "narHash": "sha256-xkPPPvfHhHK7BNX5ZrQ9N6AIEixCmFzRZHduDf0zv30=",
+        "lastModified": 1728922573,
+        "narHash": "sha256-FegyBabjV4868aJUbvFtqH0zKDEtUpeCAfnB1vWXeBg=",
         "owner": "nix-community",
         "repo": "disko",
-        "rev": "22ee467a54a3ab7fa9d637ccad5330c6c087e9dc",
+        "rev": "3b778f10eb275573da9f5c8a7a49e774200b87e5",
         "type": "github"
       },
       "original": {
@@ -66,11 +87,11 @@
     "dotfiles": {
       "flake": false,
       "locked": {
-        "lastModified": 1725956275,
-        "narHash": "sha256-4tHKP+PLpJKnFfOT6MY3p/NDBr/3NDyWljB8/iELVZs=",
+        "lastModified": 1726139078,
+        "narHash": "sha256-FiyYP/hTiSOkj99P1YcIxc9uJjjInpMPAp6fKtZlkNs=",
         "ref": "refs/heads/master",
-        "rev": "b1393f4b54b8e908b770450ccc49400713d8e457",
-        "revCount": 1,
+        "rev": "d9f3a3ba9d8430306a4f6f7e9fd3ad618d274c8e",
+        "revCount": 2,
         "type": "git",
         "url": "https://code.m3tam3re.com/m3tam3re/dotfiles-flake-demo.git"
       },
@@ -79,6 +100,37 @@
         "url": "https://code.m3tam3re.com/m3tam3re/dotfiles-flake-demo.git"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -107,11 +159,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1712016346,
-        "narHash": "sha256-O2nO7pD+krq+4HgkLB4VThRtAucIPfXDs/jJqCGlK1w=",
+        "lastModified": 1726817922,
+        "narHash": "sha256-gO91NgBTTbVHBlvnn6g6XFeXzJquBH5MrVhYMFTnB0Q=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "4be0464472675212654dedf3e021bd5f1d58b92f",
+        "rev": "f48b181f0161db6246a1bd1b05d70a7b3a87ab41",
         "type": "github"
       },
       "original": {
@@ -120,6 +172,23 @@
         "type": "github"
       }
     },
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1730184279,
+        "narHash": "sha256-6OB+WWR6gnaWiqSS28aMJypKeK7Pjc2Wm6L0MtOrTuA=",
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "rev": "b379bd4d872d159e5189053ce9a4adf86d56db4b",
+        "type": "github"
+      },
+      "original": {
+        "id": "nix-darwin",
+        "type": "indirect"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1703013332,
@@ -138,11 +207,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1724531977,
-        "narHash": "sha256-XROVLf9ti4rrNCFLr+DmXRZtPjCQTW4cYy59owTEmxk=",
+        "lastModified": 1726447378,
+        "narHash": "sha256-2yV8nmYE1p9lfmLHhOCbYwQC/W8WYfGQABoGzJOb1JQ=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2527da1ef492c495d5391f3bcf9c1dd9f4514e32",
+        "rev": "086b448a5d54fd117f4dc2dee55c9f0ff461bdc1",
         "type": "github"
       },
       "original": {
@@ -154,11 +223,40 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1711703276,
-        "narHash": "sha256-iMUFArF0WCatKK6RzfUJknjem0H9m4KgorO/p3Dopkk=",
+        "lastModified": 1725103162,
+        "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1729665710,
+        "narHash": "sha256-AlcmCXJZPIlO5dmFzV3V2XF6x/OpNWUV8Y/FMPGd8Z4=",
+        "path": "/nix/store/lsy6c2f9alj2gkjj36h754kk63x6701l-source",
+        "rev": "2768c7d042a37de65bb1b5b3268fc987e534c49d",
+        "type": "path"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1726463316,
+        "narHash": "sha256-gI9kkaH0ZjakJOKrdjaI/VbaMEo9qBbSUl93DnU7f4c=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d8fe5e6c92d0d190646fb9f1056741a229980089",
+        "rev": "99dc8785f6a0adac95f5e2ab05cc2e1bf666d172",
         "type": "github"
       },
       "original": {
@@ -171,13 +269,31 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "colmena": "colmena",
         "disko": "disko",
         "dotfiles": "dotfiles",
         "home-manager": "home-manager_2",
-        "nixpkgs": "nixpkgs_2",
+        "nix-darwin": "nix-darwin",
+        "nixpkgs": "nixpkgs_4",
         "nixpkgs-stable": "nixpkgs-stable"
       }
     },
+    "stable": {
+      "locked": {
+        "lastModified": 1724316499,
+        "narHash": "sha256-Qb9MhKBUTCfWg/wqqaxt89Xfi6qTD3XpTzQ9eXi3JmE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "797f7dc49e0bc7fab4b57c021cdf68f595e47841",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,

flake.nix

@@ -18,6 +18,8 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-24.05";
 
+    colmena.url = "github:zhaofengli/colmena";
+
     agenix.url = "github:ryantm/agenix";
 
     disko = {
@@ -34,10 +36,10 @@
   outputs = {
     self,
     agenix,
-    disko,
-    dotfiles,
     home-manager,
+    nix-darwin,
     nixpkgs,
+    nixpkgs-stable,
     ...
   } @ inputs: let
     inherit (self) outputs;
@@ -63,6 +65,15 @@
           agenix.nixosModules.default
         ];
       };
+      m3-hermes-hetzner = nixpkgs.lib.nixosSystem {
+        specialArgs = {inherit inputs outputs;};
+        system = "x86_64-linux";
+        modules = [
+          ./hosts/m3-hermes
+          inputs.disko.nixosModules.disko
+          agenix.nixosModules.default
+        ];
+      };
     };
     homeConfigurations = {
       "m3tam3re@m3-kratos-vm" = home-manager.lib.homeManagerConfiguration {
@@ -71,5 +82,25 @@
         modules = [./home/m3tam3re/m3-kratos.nix];
       };
     };
+    colmena = {
+      meta = {
+        nixpkgs = import nixpkgs {
+          system = "x86_64-linux";
+        };
+        specialArgs = {inherit inputs outputs;};
+      };
+      m3-kratos-vm = {
+        deployment = {
+          targetHost = "m3-kratos-vm";
+          targetUser = "m3tam3re";
+          tags = ["vm"];
+        };
+        imports = [
+          ./hosts/m3-kratos
+          inputs.disko.nixosModules.disko
+          agenix.nixosModules.default
+        ];
+      };
+    };
   };
 }

home/m3tam3re/home-server.nix

@@ -0,0 +1,103 @@
+# This is a default home.nix generated by the follwing hone-manager command
+#
+# home-manager init ./
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  # Home Manager needs a bit of information about you and the paths it should
+  # manage.
+  home.username = lib.mkDefault "your-name";
+  home.homeDirectory = lib.mkDefault "/home/${config.home.username}";
+
+  # This value determines the Home Manager release that your configuration is
+  # compatible with. This helps avoid breakage when a new Home Manager release
+  # introduces backwards incompatible changes.
+  #
+  # You should not change this value, even if you update Home Manager. If you do
+  # want to update the value, then make sure to first check the Home Manager
+  # release notes.
+  home.stateVersion = "24.05"; # Please read the comment before changing.
+
+  # The home.packages option allows you to install Nix packages into your
+  # environment.
+  home.packages = with pkgs; [
+    # # Adds the 'hello' command to your environment. It prints a friendly
+    # # "Hello, world!" when run.
+    # pkgs.hello
+
+    # # It is sometimes useful to fine-tune packages, for example, by applying
+    # # overrides. You can do that directly here, just don't forget the
+    # # parentheses. Maybe you want to install Nerd Fonts with a limited number of
+    # # fonts?
+    # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
+
+    # # You can also create simple shell scripts directly inside your
+    # # configuration. For example, this adds a command 'my-hello' to your
+    # # environment:
+    # (pkgs.writeShellScriptBin "my-hello" ''
+    #   echo "Hello, ${config.home.username}!"
+    # '')
+  ];
+
+  # Home Manager is pretty good at managing dotfiles. The primary way to manage
+  # plain files is through 'home.file'.
+  home.file = {
+    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
+    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
+    # # symlink to the Nix store copy.
+    # ".screenrc".source = dotfiles/screenrc;
+
+    # # You can also set the file content immediately.
+    # ".gradle/gradle.properties".text = ''
+    #   org.gradle.console=verbose
+    #   org.gradle.daemon.idletimeout=3600000
+    # '';
+  };
+
+  # Home Manager can also manage your environment variables through
+  # 'home.sessionVariables'. If you don't want to manage your shell through Home
+  # Manager then you have to manually source 'hm-session-vars.sh' located at
+  # either
+  #
+  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
+  #
+  # or
+  #
+  #  /etc/profiles/per-user/m3tam3re/etc/profile.d/hm-session-vars.sh
+  #
+  home.sessionVariables = {
+    # EDITOR = "emacs";
+  };
+
+  # Let Home Manager install and manage itself.
+  programs.home-manager.enable = true;
+
+  programs.zellij-ps = {
+    enable = true;
+    projectFolders = [
+      "${config.home.homeDirectory}/.config"
+    ];
+    layout = ''
+      layout {
+          pane size=1 borderless=true {
+              plugin location="zellij:tab-bar"
+          }
+          pane size="70%" command="nvim"
+          pane split_direction="vertical" {
+              pane
+              pane command="unimatrix"
+          }
+          pane size=1 borderless=true {
+              plugin location="zellij:status-bar"
+          }
+      }
+    '';
+  };
+}

home/m3tam3re/home.nix

@@ -26,6 +26,8 @@
   home.packages = with pkgs; [
     kitty
     wofi
+    firefox
+    n8n
     # # Adds the 'hello' command to your environment. It prints a friendly
     # # "Hello, world!" when run.
     # pkgs.hello
@@ -85,7 +87,6 @@
     enable = true;
     projectFolders = [
       "${config.home.homeDirectory}/.config"
-      "${config.home.homeDirectory}"
     ];
     layout = ''
       layout {

home/m3tam3re/m3-hermes.nix

@@ -0,0 +1,15 @@
+{
+  imports = [
+    ../common
+    ../features/cli
+    ./home-server.nix
+  ];
+
+  features = {
+    cli = {
+      fish.enable = true;
+      fzf.enable = true;
+      neofetch.enable = true;
+    };
+  };
+}

hosts/m3-hermes/configuration.nix

@@ -0,0 +1,91 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+{pkgs, ...}: {
+  imports = [
+    # Include the results of the hardware scan.
+    ./disko-config.nix
+    ./hardware-configuration.nix
+  ];
+
+  # Bootloader.
+  boot.loader.grub = {
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+  };
+
+  networking.hostName = "m3-hermes"; # Define your hostname.
+  # networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    #  wget
+    neovim
+    git
+  ];
+
+  # Some programs need SUID wrappers, can be configured further or are
+  # started in user sessions.
+  # programs.mtr.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # List services that you want to enable:
+
+  # Enable the OpenSSH daemon.
+  services.openssh = {
+    enable = true;
+    settings.PermitRootLogin = "no";
+    allowSFTP = true;
+  };
+
+  programs.fish.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  #security.sudo.wheelNeedsPassword = false;
+
+  security.sudo.extraConfig = "m3tam3re ALL=(ALL) NOPASSWD: ALL";
+
+  # networking.firewall.enable = false;
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+}

hosts/m3-hermes/default.nix

@@ -0,0 +1,41 @@
+# A staring point is the basic NIXOS configuration generated by the ISO installer.
+# On an existing NIXOS install you can use the following command in your flakes basedir:
+# sudo nixos-generate-config --dir ./hosts/m3tam3re
+#
+# Please make sure to change the first couple of lines in your configuration.nix:
+# { config, inputs, ouputs, lib, pkgs, ... }:
+#
+# {
+#   imports = [ # Include the results of the hardware scan.
+#     ./hardware-configuration.nix
+#     inputs.home-manager.nixosModules.home-manager
+#   ];
+#   ...
+#
+# Moreover please update the packages option in your user configuration and add the home-manager options:
+# users.users = {
+#   m3tam3re = {
+#     isNormalUser = true;
+#     initialPassword = "12345";
+#     extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
+#     packages = [ inputs.home-manager.packages.${pkgs.system}.default ];
+#   };
+# };
+#
+# home-manager = {
+#   useUserPackages = true;
+#   extraSpecialArgs = { inherit inputs outputs; };
+#   users.m3tam3re =
+#     import ../../home/m3tam3re/${config.networking.hostName}.nix;
+# };
+#
+# Please also change your hostname accordingly:
+#:w
+# networking.hostName = "nixos"; # Define your hostname.
+{
+  imports = [
+    ../common
+    ./configuration.nix
+  ];
+  extraServices.podman.enable = true;
+}

hosts/m3-hermes/disko-config.nix

@@ -0,0 +1,36 @@
+{
+  disko.devices = {
+    disk = {
+      nixos = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            boot = {
+              size = "1M";
+              type = "EF02"; # for grub MBR
+            };
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/m3-hermes/hardware-configuration.nix

@@ -0,0 +1,24 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/m3-kratos/configuration.nix

@@ -89,6 +89,11 @@
   networking.nat.enable = true;
   networking.nat.internalInterfaces = ["ve-+"];
   networking.nat.externalInterface = "enp1s0";
+
+  #security.sudo.wheelNeedsPassword = false;
+
+  security.sudo.extraConfig = "m3tam3re ALL=(ALL) NOPASSWD: ALL";
+
   # networking.firewall.enable = false;
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
@@ -96,5 +101,5 @@
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.05"; # Did you read the comment?
+  system.stateVersion = "24.11"; # Did you read the comment?
 }

hosts/m3-kratos/default.nix

@@ -38,7 +38,7 @@
     ./configuration.nix
     ./secrets.nix
     ./services
+    ./specialisations.nix
   ];
-
   extraServices.podman.enable = true;
 }

hosts/m3-kratos/services/containers/echo.nix

@@ -2,7 +2,7 @@
   virtualisation.oci-containers.containers."echo-http-service" = {
     image = "hashicorp/http-echo";
     extraOptions = ["-text='Hello, World!'" "--network=web"];
-    ports = ["5678:5678"];
+    ports = ["5679:5678"];
   };
   system.activationScripts.createPodmanNetworkWeb = lib.mkAfter ''
     if ! /run/current-system/sw/bin/podman network exists web; then

hosts/m3-kratos/services/default.nix

@@ -1,5 +1,6 @@
 {
   imports = [
     ./containers
+    ./n8n.nix
   ];
 }

hosts/m3-kratos/services/n8n.nix

@@ -0,0 +1,11 @@
+{
+  services.n8n = {
+    enable = true;
+    openFirewall = true;
+  };
+  systemd.services.n8n = {
+    environment = {
+      N8N_SECURE_COOKIE = "false";
+    };
+  };
+}

hosts/m3-kratos/specialisations.nix

@@ -0,0 +1,83 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  specialisation = {
+    "HTTPD".configuration = {
+      system.nixos.tags = ["HTTPD"];
+      services.httpd.enable = true;
+      services.httpd.virtualHosts."foo.example.com" = {
+        documentRoot = "/var/www/foo";
+        extraConfig = ''
+          <Directory /var/www/foo>
+            Options Indexes FollowSymLinks MultiViews
+            AllowOverride None
+            Require all granted
+          </Directory>
+        '';
+      };
+    };
+    "NGINX".configuration = {
+      system.nixos.tags = ["NGINX"];
+      services.httpd.enable = false;
+      services.nginx.enable = true;
+      services.nginx.config = ''
+        http {
+          server {
+            listen 80;
+            server_name bar.example.com;
+
+            root /var/www/bar;
+
+            location / {
+              index index.html;
+            }
+          }
+        }
+      '';
+    };
+    "NVIDIA".configuration = {
+      boot.kernelParams = [
+        "nvidia.NVreg_PreserveVideoMemoryAllocations=1"
+        "nvidia-drm.modeset=1"
+      ];
+      system.nixos.tags = ["NVIDIA"];
+      services.xserver.videoDrivers = ["nvidia"];
+      hardware = {
+        nvidia = {
+          open = false;
+          package = config.boot.kernelPackages.nvidiaPackages.stable;
+          modesetting.enable = true;
+          powerManagement.enable = true;
+        };
+        graphics = {
+          enable = true;
+          enable32Bit = true;
+        };
+      };
+      environment.sessionVariables = {
+        GBM_BACKEND = "nvidia-drm";
+        __GLX_VENDOR_LIBRARY_NAME = "nvidia";
+        LIBVA_DRIVER_NAME = "nvidia";
+        QT_QPA_PLATFORM = "wayland";
+        WLR_NO_HARDWARE_CURSORS = "1";
+        XDG_SESSION_TYPE = "wayland";
+      };
+    };
+  };
+  environment.systemPackages = [
+    (pkgs.writeShellScriptBin "switch-spec" ''
+      if [ $# -ne 1 ]; then
+        echo "Usage: switch-spec <specialisation>"
+        exit 1
+      fi
+
+      sudo /nix/var/nix/profiles/system/specialisation/$1/bin/switch-to-configuration switch
+    '')
+  ];
+  environment.sessionVariables = lib.mkIf (config.specialisation != {}) {
+    SPECIALISATION = "NONE";
+  };
+}

justfile

@@ -0,0 +1,42 @@
+
+# List available commands
+default:
+    @just --list
+
+# Deploy system configuration
+deploy SYSTEM:
+    nixos-rebuild switch --flake .#{{SYSTEM}} --target-host {{SYSTEM}} --use-remote-sudo
+
+# Update flake
+update:
+    nix flake update
+
+# Commit and push changes
+commit MESSAGE:
+    git add .
+    git commit -m "{{MESSAGE}}"
+    git push
+
+# Update, commit, and push changes
+update-and-commit MESSAGE: update
+    @just commit "{{MESSAGE}}"
+
+# Deploy, update, commit, and push changes
+deploy-update-commit SYSTEM MESSAGE: (deploy SYSTEM) update
+    @just commit "{{MESSAGE}}"
+
+# Check flake
+check:
+    nix flake check
+
+# Show flake info
+show:
+    nix flake show
+
+# Build system configuration
+build SYSTEM:
+    nixos-rebuild build --flake .#{{SYSTEM}}
+
+# Enter a development shell
+dev-shell:
+    nix develop

overlays/default.nix

@@ -5,11 +5,8 @@
   # This one contains whatever you want to overlay
   # You can change versions, add patches, set compilation flags, anything really.
   # https://nixos.wiki/wiki/Overlays
-  modifications = final: prev:
-    {
-      # example = prev.example.overrideAttrs (oldAttrs: rec {
-      # ...
-      # });
+  modifications = final: prev: {
+    n8n = import ./mods/n8n.nix {inherit prev;};
   };
 
   stable-packages = final: _prev: {

overlays/mods/n8n.nix

@@ -0,0 +1,17 @@
+{prev}:
+prev.n8n.overrideAttrs (oldAttrs: rec {
+  pname = oldAttrs.pname;
+  version = "1.63.0";
+
+  src = prev.fetchFromGitHub {
+    owner = "n8n-io";
+    repo = "n8n";
+    rev = "n8n@${version}";
+    hash = "sha256-zJHveCbBPJs8qbgCsU+dgucoXpAKa7PVLH4tfdcJZlE=";
+  };
+
+  pnpmDeps = prev.pnpm.fetchDeps {
+    inherit pname version src;
+    hash = "sha256-FsBA/QENfreCJnYCw8MnX5W2D+WJ3DUuTIakH78TYU8=";
+  };
+})

pkgs/default.nix

@@ -1,4 +1,5 @@
 {pkgs, ...}: {
   # Define your custom packages here
   zellij-ps = pkgs.callPackage ./zellij-ps {};
+  n8n-custom = pkgs.callPackage ./n8n-custom {};
 }

pkgs/n8n-custom/default.nix

@@ -0,0 +1,21 @@
+{
+  fetchFromGitHub,
+  n8n,
+  pnpm,
+}:
+n8n.overrideAttrs (oldAttrs: rec {
+  pname = oldAttrs.pname;
+  version = "1.63.0";
+
+  src = fetchFromGitHub {
+    owner = "n8n-io";
+    repo = "n8n";
+    rev = "n8n@${version}";
+    hash = "sha256-zJHveCbBPJs8qbgCsU+dgucoXpAKa7PVLH4tfdcJZlE=";
+  };
+
+  pnpmDeps = pnpm.fetchDeps {
+    inherit pname version src;
+    hash = "sha256-FsBA/QENfreCJnYCw8MnX5W2D+WJ3DUuTIakH78TYU8=";
+  };
+})