Added hetzner server configs

.github/workflows/ci.yml

@@ -0,0 +1,71 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+# Least-privilege by default; jobs opt into what they need.
+permissions: {}
+
+# Cancel superseded runs on the same ref.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.sha }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  check:
+    name: Flake check (${{ matrix.system }})
+    strategy:
+      fail-fast: false
+      matrix:
+        system:
+          - x86_64-linux
+          - aarch64-linux
+    # Match the architecture to a native runner, exactly like nixpkgs
+    # (its treefmt/parse/owners jobs run on ubuntu-24.04-arm).
+    runs-on: ${{ matrix.system == 'aarch64-linux' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          persist-credentials: false
+
+      - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+
+      # Evaluate the flake for this system (incl. nixosConfigurations) without
+      # building. Catches the class of break we hit with the duplicate module block.
+      - name: Flake check (${{ matrix.system }})
+        run: nix flake check --no-build --system ${{ matrix.system }}
+
+  format:
+    name: Formatting check (${{ matrix.system }})
+    strategy:
+      fail-fast: false
+      matrix:
+        system:
+          - x86_64-linux
+          - aarch64-linux
+    runs-on: ${{ matrix.system == 'aarch64-linux' && 'ubuntu-24.04-arm' || 'ubuntu-latest' }}
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        with:
+          persist-credentials: false
+
+      - uses: cachix/install-nix-action@a49548c11d9846ad46ecc0115273879b045f001c # v31.10.7
+        with:
+          extra_nix_config: |
+            experimental-features = nix-command flakes
+
+      # alejandra is the configured formatter (flake.nix perSystem.formatter).
+      # Checked per-system so both architectures stay formatted.
+      - name: Formatting check (${{ matrix.system }})
+        run: nix run .#formatter.${{ matrix.system }} -- --check .

flake.lock

@@ -47,6 +47,26 @@
         "type": "github"
       }
     },
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-24-05"
+        ]
+      },
+      "locked": {
+        "lastModified": 1781152676,
+        "narHash": "sha256-RxWs5ND31KzTG7wvMM+PMfUjyNpmIEr999lqNARaM5o=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "ff8702b4de27f72b4c78573dfb89ec74e36abdf1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "flake-compat": {
       "locked": {
         "lastModified": 1767039857,
@@ -179,6 +199,22 @@
         "type": "github"
       }
     },
+    "nixos-24-05": {
+      "locked": {
+        "lastModified": 1735563628,
+        "narHash": "sha256-OnSAY7XDSx7CtDoqNh8jwVwh4xNL/2HaJxGjryLWzX8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b134951a4c9f3c995fd7be05f3243f8ecd65d798",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1777268161,
@@ -195,20 +231,60 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1783522502,
+        "narHash": "sha256-iffAls3iaNTyJC2faYcUXSI+Gp02cDjYl+MygxKl2GI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0bb7ec54c8483066ec9d7720e780a5caa71f8612",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "disko": "disko",
         "flake-compat": "flake-compat",
         "flake-parts": "flake-parts",
         "flake-utils": "flake-utils",
         "helium": "helium",
         "import-tree": "import-tree",
         "nix-index-db": "nix-index-db",
+        "nixos-24-05": "nixos-24-05",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "sops-nix": "sops-nix",
         "systems": "systems_2",
         "zen-browser": "zen-browser"
       }
     },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixos-24-05"
+        ]
+      },
+      "locked": {
+        "lastModified": 1783174389,
+        "narHash": "sha256-aCWC8ngycU7OdJrU2+Je3qf+1a2ykuBvpPhZT/9tXMc=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "f1406619a3884cd5c47992a70b8b35c9c0fcb4c9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
+      }
+    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,

flake.nix

@@ -67,5 +67,25 @@
       url = "github:Mic92/nix-index-database";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    # --- Server (hetzner) inputs ---
+    # Pinned to 24.05 to match the deployed Hetzner server exactly.
+    nixos-24-05 = {
+      url = "github:NixOS/nixpkgs/nixos-24.05";
+    };
+
+    nixpkgs-unstable = {
+      url = "github:NixOS/nixpkgs/nixos-unstable";
+    };
+
+    disko = {
+      url = "github:nix-community/disko";
+      inputs.nixpkgs.follows = "nixos-24-05";
+    };
+
+    sops-nix = {
+      url = "github:Mic92/sops-nix";
+      inputs.nixpkgs.follows = "nixos-24-05";
+    };
   };
 }

home/editors/nvim/default.nix

@@ -1,9 +1,11 @@
-{ config, lib, pkgs, ... }:
-
-let
-  username = "someone";
-in
 {
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  username = "someone";
+in {
   users.users.${username}.packages = with pkgs; [
     neovim
   ];

home/packages/gtk.nix

@@ -8,16 +8,18 @@
     gsettings-desktop-schemas
   ];
 
-programs.dconf.enable = true;
+  programs.dconf.enable = true;
 
-  programs.dconf.profiles.user.databases = [{
+  programs.dconf.profiles.user.databases = [
-    settings = {
+    {
-      "org/gnome/desktop/interface" = {
+      settings = {
-        color-scheme = "prefer-dark";
+        "org/gnome/desktop/interface" = {
-        gtk-application-prefer-dark-theme = true;
+          color-scheme = "prefer-dark";
+          gtk-application-prefer-dark-theme = true;
+        };
       };
-    };
+    }
-  }];
+  ];
 
   environment.sessionVariables = {
     XDG_ICON_DIR = "${pkgs.whitesur-icon-theme}/share/icons/WhiteSur";

home/packages/media/mpv.nix

@@ -2,13 +2,10 @@
   pkgs,
   lib,
   ...
-}:
+}: let
-
+  configFile = "mpv/mpv.conf";
-let
-  configFile   = "mpv/mpv.conf";
   mpvInputFile = "mpv/input.conf";
-in
+in {
-{
   users.users.someone.packages = with pkgs; [
     mpv
     mpvScripts.mpris
@@ -16,12 +13,11 @@ in
 
   xdg.configFile."${configFile}".text =
     lib.generators.toKeyValue {
-      mkKeyValue = k: v:
+      mkKeyValue = k: v: "${lib.escapeShellArg k}=${lib.escapeShellArg v}";
-        "${lib.escapeShellArg k}=${lib.escapeShellArg v}";
       listsAsDuplicateKeys = true;
     } {
       profile = "gpu-hq";
-      volume  = "100";
+      volume = "100";
     };
 
   xdg.configFile."${mpvInputFile}".text = ''

home/packages/media/rnnoise.nix

@@ -18,7 +18,7 @@ in {
               {
                 "type" = "ladspa";
                 "name" = "rnnoise";
-                 "plugin" = "librnnoise_ladspa";
+                "plugin" = "librnnoise_ladspa";
                 "label" = "noise_suppressor_stereo";
                 "control" = {"VAD Threshold (%)" = 50.0;};
               }

home/packages/wayland/niri/_binds.nix

@@ -71,5 +71,5 @@
   "Mod+Shift+Up".move-column-to-workspace-up = {};
   "Mod+Shift+Down".move-column-to-workspace-down = {};
   "Mod+P" = {spawn-sh = "wl-mirror $(niri msg --json focused-output | jq -r .name)";};
-# "Mod+Alt".toggle-overview = { repeat=false; };
+  # "Mod+Alt".toggle-overview = { repeat=false; };
 }

home/packages/wayland/niri/_settings.nix

@@ -48,7 +48,7 @@ in {
 
   screenshot-path = "~/Pictures/Screenshots/Screenshot-from-%Y-%m-%d-%H-%M-%S.png";
 
-   overview = {
+  overview = {
     workspace-shadow.off = {};
     backdrop-color = "transparent";
   };

home/services/wayland/ashell.nix

@@ -7,40 +7,39 @@
   users.users.someone.packages = [pkgs.ashell];
 
   xdg.configFile."ashell/config.toml".text = ''
-[modules]
+    [modules]
-left = [ [ "appLauncher", "Updates", "Workspaces", "ScreenMirror" ], "MediaPlayer" ]
+    left = [ [ "appLauncher", "Updates", "Workspaces", "ScreenMirror" ], "MediaPlayer" ]
-center = [ "WindowTitle" ]
+    center = [ "WindowTitle" ]
-right = [ "SystemInfo", [ "Tray", "Clock", "Privacy", "Settings" ] ]
+    right = [ "SystemInfo", [ "Tray", "Clock", "Privacy", "Settings" ] ]
 
 
-[system_info]
+    [system_info]
-indicators = [ "Cpu", "Memory", "Temperature" ]
+    indicators = [ "Cpu", "Memory", "Temperature" ]
 
-[system_info.cpu]
+    [system_info.cpu]
-warn_threshold = 60
+    warn_threshold = 60
-alert_threshold = 80
+    alert_threshold = 80
 
-[system_info.memory]
+    [system_info.memory]
-warn_threshold = 70
+    warn_threshold = 70
-alert_threshold = 85
+    alert_threshold = 85
 
-[system_info.temperature]
+    [system_info.temperature]
-warn_threshold = 60
+    warn_threshold = 60
-alert_threshold = 80
+    alert_threshold = 80
 
-[tempo]
+    [tempo]
-clock_format = "%a %d %b %R"
+    clock_format = "%a %d %b %R"
-weather_location = { City = "Amsterdam" }
+    weather_location = { City = "Amsterdam" }
 
-[appearance]
+    [appearance]
-style = "Islands"
+    style = "Islands"
 
-[[ScreenMirror]]
+    [[ScreenMirror]]
-name = "ScreenMirror"
+    name = "ScreenMirror"
-icon = ""
+    icon = ""
-command = "bash /etc/nixos/scripts/screen-mirror.sh"
+    command = "bash /etc/nixos/scripts/screen-mirror.sh"
 
 
   '';
-
 }

home/terminal/shell/fish.nix

@@ -67,61 +67,61 @@
     };
     "fish/functions/extract.fish" = {
       text = ''
-          function extract
+                function extract
-            if test -f "$argv[1]"
+                  if test -f "$argv[1]"
-              set file "$argv[1]"
+                    set file "$argv[1]"
-              set filename (basename "$file")
+                    set filename (basename "$file")
-              set dirname (string replace -r '\.tar\.bz2$|\.tar\.gz$|\.tbz2$|\.tgz$|\.tar$|\.bz2$|\.gz$|\.zip$|\.Z$|\.7z$|\.xz$|\.rar$' "" "$filename")
+                    set dirname (string replace -r '\.tar\.bz2$|\.tar\.gz$|\.tbz2$|\.tgz$|\.tar$|\.bz2$|\.gz$|\.zip$|\.Z$|\.7z$|\.xz$|\.rar$' "" "$filename")
-          mkdir -p "$dirname"
+                mkdir -p "$dirname"
-          switch $file
+                switch $file
-              case "*.tar.bz2"
+                    case "*.tar.bz2"
-                  tar xjf "$file" -C "$dirname"
+                        tar xjf "$file" -C "$dirname"
-              case "*.tar.gz"
+                    case "*.tar.gz"
-                  tar xzf "$file" -C "$dirname"
+                        tar xzf "$file" -C "$dirname"
-              case "*.tbz2"
+                    case "*.tbz2"
-                  tar xjf "$file" -C "$dirname"
+                        tar xjf "$file" -C "$dirname"
-              case "*.tgz"
+                    case "*.tgz"
-                  tar xzf "$file" -C "$dirname"
+                        tar xzf "$file" -C "$dirname"
-              case "*.tar"
+                    case "*.tar"
-                  tar xf "$file" -C "$dirname"
+                        tar xf "$file" -C "$dirname"
-              case "*.bz2"
+                    case "*.bz2"
-                  bunzip2 -c "$file" >"$dirname/$dirname"
+                        bunzip2 -c "$file" >"$dirname/$dirname"
-              case "*.gz"
+                    case "*.gz"
-                  gunzip -c "$file" >"$dirname/$dirname"
+                        gunzip -c "$file" >"$dirname/$dirname"
-              case "*.zip"
+                    case "*.zip"
-                  unzip "$file" -d "$dirname"
+                        unzip "$file" -d "$dirname"
-              case "*.Z"
+                    case "*.Z"
-                  uncompress -c "$file" >"$dirname/$dirname"
+                        uncompress -c "$file" >"$dirname/$dirname"
-              case "*.7z"
+                    case "*.7z"
-                  7z x "$file" -o"$dirname"
+                        7z x "$file" -o"$dirname"
-              case "*.xz"
+                    case "*.xz"
-                  xz -dc "$file" >"$dirname/$dirname"
+                        xz -dc "$file" >"$dirname/$dirname"
-              case "*.rar"
+                    case "*.rar"
-                  unrar x "$file" "$dirname"
+                        unrar x "$file" "$dirname"
-              case "*"
+                    case "*"
-                  echo "'$file' cannot be extracted via extract()"
+                        echo "'$file' cannot be extracted via extract()"
-          end
+                end
-     else
+           else
-          echo "'$argv[1]' is not a valid file"
+                echo "'$argv[1]' is not a valid file"
-      end
+            end
-  end
+        end
-  '';
+      '';
-};
+    };
     "fish/functions/weather.fish" = {
       text = ''
-        function weather
+                function weather
-    if test "$argv[1]" = week
+            if test "$argv[1]" = week
-        wthrr -f w $argv[2]
+                wthrr -f w $argv[2]
-    else if test -z "$argv[1]"
+            else if test -z "$argv[1]"
-        wthrr -f d
+                wthrr -f d
-        wthrr -f t
+                wthrr -f t
-    else
+            else
-        wthrr -f d $argv[1]
+                wthrr -f d $argv[1]
-        wthrr -f t $argv[1]
+                wthrr -f t $argv[1]
-    end
+            end
-end
+        end
-  '';
+      '';
-};
+    };
     "fish/functions/fcd.fish" = {
       text = ''
         function fcd
@@ -168,44 +168,44 @@ end
     };
     "fish/conf.d/aliases.fish" = {
       text = ''
-        alias cleanup="sudo nix-collect-garbage --delete-older-than 1d"
+         alias cleanup="sudo nix-collect-garbage --delete-older-than 1d"
-        alias listgen="sudo nix-env -p /nix/var/nix/profiles/system --list-generations"
+         alias listgen="sudo nix-env -p /nix/var/nix/profiles/system --list-generations"
-        alias nixremove="nix-store --gc"
+         alias nixremove="nix-store --gc"
-        alias bloat="nix path-info -Sh /run/current-system"
+         alias bloat="nix path-info -Sh /run/current-system"
-        alias cleanram="sudo sh -c 'sync; echo 3 > /proc/sys/vm/drop_caches'"
+         alias cleanram="sudo sh -c 'sync; echo 3 > /proc/sys/vm/drop_caches'"
-        alias trimall="sudo fstrim -va"
+         alias trimall="sudo fstrim -va"
-        alias c="clear"
+         alias c="clear"
-        alias add="git add ."
+         alias add="git add ."
-        alias commit="git commit"
+         alias commit="git commit"
-        alias push="git push"
+         alias push="git push"
-        alias pull="git pull"
+         alias pull="git pull"
-        alias diff="git diff --staged"
+         alias diff="git diff --staged"
-        alias gcld="git clone --depth 1"
+         alias gcld="git clone --depth 1"
-        alias koji="meteor"
+         alias koji="meteor"
-        alias gitui="lazygit"
+         alias gitui="lazygit"
-        alias ls="eza -lah --grid -s modified --smart-group --group-directories-first --icons"
+         alias ls="eza -lah --grid -s modified --smart-group --group-directories-first --icons"
-        alias l="eza -ah --grid -s modified --smart-group --group-directories-first --icons"
+         alias l="eza -ah --grid -s modified --smart-group --group-directories-first --icons"
-        alias tree="eza --tree --icons --tree"
+         alias tree="eza --tree --icons --tree"
-        alias cat="${pkgs.bat}/bin/bat --paging=never --theme gruvbox-dark"
+         alias cat="${pkgs.bat}/bin/bat --paging=never --theme gruvbox-dark"
-        alias us="systemctl --user"
+         alias us="systemctl --user"
-        alias rs="sudo systemctl"
+         alias rs="sudo systemctl"
-        alias zed="zeditor"
+         alias zed="zeditor"
-        alias nl="nl -ba"
+         alias nl="nl -ba"
-        alias cp="cp -riv"
+         alias cp="cp -riv"
-        alias mv="mv -iv"
+         alias mv="mv -iv"
-        alias mkdir="mkdir -pv"
+         alias mkdir="mkdir -pv"
-        alias less="bat -p --theme gruvbox-dark"
+         alias less="bat -p --theme gruvbox-dark"
-        alias myip="curl ip.severijnse.eu"
+         alias myip="curl ip.severijnse.eu"
-        alias pscpu="ps -eo pid,ppid,cmd,%mem,%cpu,etime --sort=-%cpu | head -n 21"
+         alias pscpu="ps -eo pid,ppid,cmd,%mem,%cpu,etime --sort=-%cpu | head -n 21"
-        alias psmem="ps -eo pid,ppid,cmd,%mem,%cpu,etime --sort=-%mem | head -n 21"
+         alias psmem="ps -eo pid,ppid,cmd,%mem,%cpu,etime --sort=-%mem | head -n 21"
-        alias weer="weather"
+         alias weer="weather"
-        alias v="nvim"
+         alias v="nvim"
-        alias copy="wl-copy"
+         alias copy="wl-copy"
-	      alias send="croc"
+        alias send="croc"
-        alias img="loupe"
+         alias img="loupe"
-        alias cat-md="glow"
+         alias cat-md="glow"
-        alias du="dust"
+         alias du="dust"
-        alias df="duf"
+         alias df="duf"
       '';
     };
   };

home/terminal/shell/starship.nix

@@ -1,20 +1,20 @@
-{ config, pkgs, ... }:
+{
-
+  config,
-let
+  pkgs,
+  ...
+}: let
   configFile = "starship/starship.toml";
   toTOML = (pkgs.formats.toml {}).generate;
-in
+in {
-{
   environment.sessionVariables = {
     STARSHIP_CONFIG = "${config.xdg.configHome}/${configFile}";
     STARSHIP_LOG = "error";
   };
 
-  users.users.someone.packages = [ pkgs.starship ];
+  users.users.someone.packages = [pkgs.starship];
 
   xdg.configFile = {
     "${configFile}".source = toTOML "starship.toml" {
-
       "$schema" = "https://starship.rs/config-schema.json";
 
       add_newline = true;
@@ -137,7 +137,6 @@ in
       starship init fish | source
     '';
 
-    "fish/completions/starship.fish".source =
+    "fish/completions/starship.fish".source = "${pkgs.starship}/share/fish/vendor_completions.d/starship.fish";
-      "${pkgs.starship}/share/fish/vendor_completions.d/starship.fish";
   };
 }

home/terminal/software/opencode/default.nix

@@ -1,8 +1,7 @@
-{ pkgs, ... }:
+{pkgs, ...}: let
-let
+  languages = import ./_languages.nix {inherit pkgs;};
-  languages = import ./_languages.nix { inherit pkgs; };
   providers = import ./_providers.nix;
-  skills = import ./_skills.nix { inherit pkgs; };
+  skills = import ./_skills.nix {inherit pkgs;};
 
   inherit (pkgs) opencode;
 
@@ -23,7 +22,7 @@ let
   '';
   opencodeWrapped =
     pkgs.runCommand "opencode-wrapped" {
-      buildInputs = [ pkgs.makeWrapper ];
+      buildInputs = [pkgs.makeWrapper];
     } ''
       mkdir -p $out/bin
       makeWrapper ${opencodeInitScript} $out/bin/opencode \
@@ -36,110 +35,110 @@ in {
   users.users.someone.packages = [
     opencodeWrapped
   ];
-    xdg.configFile = {
+  xdg.configFile = {
-      "${configFile}".text = builtins.toJSON {
+    "${configFile}".text = builtins.toJSON {
-        "$schema" = "https://opencode.ai/config.json";
+      "$schema" = "https://opencode.ai/config.json";
-        plugin = [
+      plugin = [
-          "opencode-antigravity-auth@latest"
+        "opencode-antigravity-auth@latest"
-          "@tarquinen/opencode-dcp@latest"
+        "@tarquinen/opencode-dcp@latest"
-          "oh-my-openagent@latest"
+        "oh-my-openagent@latest"
-        ];
+      ];
-        model = "google/antigravity-gemini-3-flash";
+      model = "google/antigravity-gemini-3-flash";
-        small_model = "opencode/big-pickle";
+      small_model = "opencode/big-pickle";
-        autoupdate = false;
+      autoupdate = false;
-        agent = {
+      agent = {
-          build = { model = "opencode/nemotron-3-super-free"; };
+        build = {model = "opencode/nemotron-3-super-free";};
-          plan = { model = "opencode/big-pickle"; };
+        plan = {model = "opencode/big-pickle";};
-          task = { model = "opencode/nemotron-3-super-free"; };
+        task = {model = "opencode/nemotron-3-super-free";};
-          "sisyphus-junior" = { model = "opencode/nemotron-3-super-free"; };
+        "sisyphus-junior" = {model = "opencode/nemotron-3-super-free";};
-          explore = { model = "opencode/minimax-m2.5-free"; };
+        explore = {model = "opencode/minimax-m2.5-free";};
-          general = { model = "opencode/big-pickle"; };
+        general = {model = "opencode/big-pickle";};
-          oracle = { model = "opencode/nemotron-3-super-free"; };
+        oracle = {model = "opencode/nemotron-3-super-free";};
-          "ultrabrain" = { model = "opencode/nemotron-3-super-free"; };
+        "ultrabrain" = {model = "opencode/nemotron-3-super-free";};
-          "deep" = { model = "opencode/nemotron-3-super-free"; };
+        "deep" = {model = "opencode/nemotron-3-super-free";};
-          "quick" = { model = "opencode/gpt-5-nano"; };
+        "quick" = {model = "opencode/gpt-5-nano";};
-          "artistry" = { model = "opencode/nemotron-3-super-free"; };
+        "artistry" = {model = "opencode/nemotron-3-super-free";};
-          "visual-engineering" = { model = "opencode/hy3-preview-free"; };
+        "visual-engineering" = {model = "opencode/hy3-preview-free";};
-          "writing" = { model = "opencode/hy3-preview-free"; };
+        "writing" = {model = "opencode/hy3-preview-free";};
-        };
-        share = "disabled";
-        disabled_providers = [
-          "amazon-bedrock"
-          "anthropic"
-          "azure-openai"
-          "azure-cognitive-services"
-          "baseten"
-          "cerebras"
-          "cloudflare-ai-gateway"
-          "cortecs"
-          "deep-infra"
-          "fireworks-ai"
-          "google-vertex-ai"
-          "groq"
-          "hugging-face"
-          "helicone"
-          "llama.cpp"
-          "io-net"
-          "lmstudio"
-          "moonshot-ai"
-          "nebius-token-factory"
-          "ollama"
-          "ollama-cloud"
-          "openai"
-          "sap-ai-core"
-          "ovhcloud-ai-endpoints"
-          "together-ai"
-          "venice-ai"
-          "xai"
-          "zai"
-          "zenmux"
-        ];
-        enabled_providers = [ "opencode" "google" "openrouter" "deepseek" "nvidia" "alibaba" "mistral" "cloudflare-workers-ai" ];
-        mcp = {
-          gh_grep = {
-            type = "remote";
-            url = "https://mcp.grep.app/";
-            enabled = true;
-            timeout = 10000;
-          };
-          deepwiki = {
-            type = "remote";
-            url = "https://mcp.deepwiki.com/mcp";
-            enabled = true;
-            timeout = 10000;
-          };
-          context7 = {
-            type = "remote";
-            url = "https://mcp.context7.com/mcp";
-            enabled = true;
-            timeout = 10000;
-          };
-        };
-        inherit (languages) formatter lsp;
-        provider = providers.config;
       };
-
+      share = "disabled";
-      "opencode/oh-my-openagent.json".text = builtins.toJSON {
+      disabled_providers = [
-        "$schema" = "https://raw.githubusercontent.com/code-yeongyu/oh-my-openagent/master/assets/oh-my-opencode.schema.json";
+        "amazon-bedrock"
-        agents = {
+        "anthropic"
-          "sisyphus-junior" = { model = "opencode/nemotron-3-super-free"; };
+        "azure-openai"
+        "azure-cognitive-services"
+        "baseten"
+        "cerebras"
+        "cloudflare-ai-gateway"
+        "cortecs"
+        "deep-infra"
+        "fireworks-ai"
+        "google-vertex-ai"
+        "groq"
+        "hugging-face"
+        "helicone"
+        "llama.cpp"
+        "io-net"
+        "lmstudio"
+        "moonshot-ai"
+        "nebius-token-factory"
+        "ollama"
+        "ollama-cloud"
+        "openai"
+        "sap-ai-core"
+        "ovhcloud-ai-endpoints"
+        "together-ai"
+        "venice-ai"
+        "xai"
+        "zai"
+        "zenmux"
+      ];
+      enabled_providers = ["opencode" "google" "openrouter" "deepseek" "nvidia" "alibaba" "mistral" "cloudflare-workers-ai"];
+      mcp = {
+        gh_grep = {
+          type = "remote";
+          url = "https://mcp.grep.app/";
+          enabled = true;
+          timeout = 10000;
         };
-        categories = {
+        deepwiki = {
-          "quick" = { model = "opencode/gpt-5-nano"; };
+          type = "remote";
-          "ultrabrain" = { model = "opencode/nemotron-3-super-free"; };
+          url = "https://mcp.deepwiki.com/mcp";
-          "deep" = { model = "opencode/nemotron-3-super-free"; };
+          enabled = true;
-          "visual-engineering" = { model = "opencode/hy3-preview-free"; };
+          timeout = 10000;
-          "writing" = { model = "opencode/hy3-preview-free"; };
+        };
-          "unspecified-low" = { model = "opencode/gpt-5-nano"; };
+        context7 = {
-          "unspecified-high" = { model = "opencode/nemotron-3-super-free"; };
+          type = "remote";
+          url = "https://mcp.context7.com/mcp";
+          enabled = true;
+          timeout = 10000;
         };
       };
-
+      inherit (languages) formatter lsp;
-      "${tuiFile}".text = builtins.toJSON {
+      provider = providers.config;
-        "$schema" = "https://opencode.ai/tui.json";
-        theme = "gruvbox";
-      };
-
-      "opencode/skill".source = skills.skillsSource + "/skill";
     };
+
+    "opencode/oh-my-openagent.json".text = builtins.toJSON {
+      "$schema" = "https://raw.githubusercontent.com/code-yeongyu/oh-my-openagent/master/assets/oh-my-opencode.schema.json";
+      agents = {
+        "sisyphus-junior" = {model = "opencode/nemotron-3-super-free";};
+      };
+      categories = {
+        "quick" = {model = "opencode/gpt-5-nano";};
+        "ultrabrain" = {model = "opencode/nemotron-3-super-free";};
+        "deep" = {model = "opencode/nemotron-3-super-free";};
+        "visual-engineering" = {model = "opencode/hy3-preview-free";};
+        "writing" = {model = "opencode/hy3-preview-free";};
+        "unspecified-low" = {model = "opencode/gpt-5-nano";};
+        "unspecified-high" = {model = "opencode/nemotron-3-super-free";};
+      };
+    };
+
+    "${tuiFile}".text = builtins.toJSON {
+      "$schema" = "https://opencode.ai/tui.json";
+      theme = "gruvbox";
+    };
+
+    "opencode/skill".source = skills.skillsSource + "/skill";
+  };
 }

home/terminal/software/tui.nix

@@ -3,38 +3,37 @@
   pkgs,
   ...
 }: {
-  users.users.someone.packages = with pkgs;
+  users.users.someone.packages = with pkgs; [
-    [
+    # archives
-      # archives
+    zip
-      zip
+    unzip
-      unzip
+    unrar
-      unrar
+    ouch
-      ouch
 
-      # misc
+    # misc
-      mako
+    mako
-      libnotify
+    libnotify
-      fontconfig
+    fontconfig
 
-      # utils
+    # utils
-      dust
+    dust
-      duf
+    duf
-      fd
+    fd
-      file
+    file
-      killall
+    killall
-      jq
+    jq
-      ps_mem
+    ps_mem
-      inshellisense
+    inshellisense
 
-      fum
+    fum
-      gtt
+    gtt
-      meteor-git
+    meteor-git
-      nix-search-tv
+    nix-search-tv
-      scope-tui
+    scope-tui
-      tuicam
+    tuicam
-      wiremix
+    wiremix
-      zfxtop
+    zfxtop
-      opencode
+    opencode
-      loupe
+    loupe
-    ];
+  ];
 }

hosts/default.nix

@@ -5,6 +5,9 @@
 }: let
   # shorten paths
   inherit (inputs.nixpkgs.lib) nixosSystem;
+  # Server uses its own pinned 24.05 nixpkgs (kept isolated from the laptop's unstable)
+  nixosSystem24 = inputs.nixos-24-05.lib.nixosSystem;
+  unstablePkgs = import inputs.nixpkgs-unstable {system = "x86_64-linux";};
   mod = "${self}/system";
   home = "${self}/home";
 
@@ -39,8 +42,27 @@ in {
     # Laptop: laptop with GUI + battery + bluetooth
     laptop = nixosSystem {
       inherit specialArgs;
-      modules = laptop ++ sharedModules ++ [
+      modules =
-        "${mod}/services/location.nix"
+        laptop
+        ++ sharedModules
+        ++ [
+          "${mod}/services/location.nix"
+        ];
+    };
+
+    # Server: severijnse.eu (Hetzner) — fully isolated under servers/hetzner/.
+    # Uses nixos-24.05 + disko + sops-nix and does NOT inherit the laptop's shared modules.
+    hetzner = nixosSystem24 {
+      system = "x86_64-linux";
+      specialArgs = {
+        inherit inputs self;
+        unstablePkgs = unstablePkgs;
+      };
+      modules = [
+        inputs.disko.nixosModules.disko
+        inputs.sops-nix.nixosModules.sops
+        "${self}/servers/hetzner/hosts/hetzner/hardware-configuration.nix"
+        "${self}/servers/hetzner/hosts/hetzner/default.nix"
       ];
     };
   };

servers/hetzner/.sops.yaml

@@ -0,0 +1,11 @@
+keys:
+  - &admin age1yd59qp5km4cxt99rlfjehnsucrjn9lmj0su4h3avhf6vrtjvnyjqstldl5
+  - &local age15rhqdpwejyf3r6ww70qgv6hqmkpsqraakn26kc49wlauhaceaeqsmuwrdd
+  - &server age1xekdrkjfu82hkxltydm72tllzgayyvfavvudeks3xjuujm5wt5hq6g55v0
+creation_rules:
+  - path_regex: secrets/.*\.yaml
+    key_groups:
+      - age:
+          - *admin
+          - *local
+          - *server

servers/hetzner/deploy.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Deploy NixOS to a Hetzner VPS using nixos-anywhere
+# Usage: ./deploy.sh [user@host]
+#
+# IMPORTANT: Run this from a SEPARATE machine with Nix installed
+# (laptop, another VPS, etc.), NOT from the target VPS itself.
+# nixos-anywhere uses kexec to reboot the target; you can't reboot
+# the machine you're running on.
+#
+# Steps:
+#   1. git clone <this-repo> && cd nixos-config
+#   2. Add your SSH pubkey to ./hosts/hetzner/users.nix
+#   3. ./deploy.sh root@<vps-ip>
+#
+# This wipes the target disk and installs NixOS fresh.
+
+HOST=${1:-root@localhost}
+
+echo "=== Deploying NixOS to $HOST ==="
+echo "WARNING: This will WIPE the target disk!"
+read -rp "Continue? [y/N] " confirm
+[[ "$confirm" =~ ^[Yy]$ ]] || exit 1
+
+nix run github:nix-community/nixos-anywhere -- \
+  --generate-hardware-config nixos-generate-config ./hosts/hetzner/hardware-configuration.nix \
+  --flake ".#hetzner" "$HOST"
+
+# After deploy, the generated hw config MUST be imported to flake.nix
+echo ""
+echo "=== CRITICAL: Post-deploy steps! ==="
+echo "1. Import the generated hw config into flake.nix:"
+echo "   git add hosts/hetzner/hardware-configuration.nix"
+echo "   # In flake.nix, add to modules array:"
+echo "       ./hosts/hetzner/hardware-configuration.nix"
+echo ""
+echo "2. Copy the age key to the new system for sops-nix:"
+echo "   # From the deploy machine:"
+echo "   ssh root@<new-ip> 'mkdir -p /etc/age'"
+echo "   scp /home/admin/age/keys.txt root@<new-ip>:/etc/age/keys.txt"
+echo ""
+echo "3. IMPORTANT: The old gitea_db Docker Postgres needs migration."
+echo "   The pg_dump is at /tmp/gitea-db-dump-YYYY-MM-DD.sql.gz"
+echo "   Restore with:"
+echo "   sudo -u postgres psql -c \"CREATE DATABASE gitea;\""
+echo "   sudo -u postgres psql -c \"CREATE USER gitea WITH PASSWORD 'gitea';\""
+echo "   sudo -u postgres psql -c \"GRANT ALL PRIVILEGES ON DATABASE gitea TO gitea;\""
+echo "   zcat /tmp/gitea-db-dump-YYYY-MM-DD.sql.gz | sudo -u postgres psql gitea"
+echo ""
+echo "4. Restore Caddy certs for the mailserver:"
+echo "   # The old Debian Caddy certs were backed up at /home/admin/backups/caddy-certs-mail.tar.gz"
+echo "   # On NixOS Caddy stores at /var/lib/caddy/certificates/..."
+echo ""

servers/hetzner/hosts/hetzner/default.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  imports = [
+    ./networking.nix
+    ./users.nix
+    ./hardware.nix
+    ./disko-config.nix
+    ../../modules/system/env.nix
+    ../../modules/security/acme.nix
+    ../../modules/services/caddy.nix
+    ../../modules/services/coredns.nix
+    ../../modules/services/gitea.nix
+    ../../modules/services/wireguard.nix
+    ../../modules/services/fail2ban.nix
+    ../../modules/services/vaultwarden.nix
+    ../../modules/services/mailserver.nix
+    ../../modules/services/snappymail.nix
+    ../../modules/services/rustdesk.nix
+    ../../modules/services/wrxproxy.nix
+    ../../modules/services/watchtower.nix
+    ../../modules/services/tlsa-updater.nix
+    ../../modules/services/shkeeper.nix
+    ../../modules/services/backup.nix
+  ];
+
+  system.stateVersion = "24.05";
+}

servers/hetzner/hosts/hetzner/disko-config.nix

@@ -0,0 +1,37 @@
+{lib, ...}: {
+  disko.devices = {
+    disk.disk1 = {
+      device = lib.mkDefault "/dev/sda";
+      type = "disk";
+      content = {
+        type = "gpt";
+        partitions = {
+          boot = {
+            name = "boot";
+            size = "1M";
+            type = "EF02";
+          };
+          esp = {
+            name = "ESP";
+            size = "256M";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot/efi";
+            };
+          };
+          root = {
+            name = "root";
+            size = "100%";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+            };
+          };
+        };
+      };
+    };
+  };
+}

servers/hetzner/hosts/hetzner/dns-zone.nix

@@ -0,0 +1,20 @@
+# Zone file for severijnse.eu
+# This is the authoritative DNS zone served by CoreDNS
+# Update serial number on changes
+{
+  serial = "2026071003";
+  adminEmail = "abuse.severijnse.eu";
+  nameservers = ["ns1.severijnse.eu" "ns2.severijnse.eu"];
+  ipv4 = "49.13.92.205";
+  ipv6 = "2a01:4f8:c014:2585::1";
+  mailIpv4 = "49.13.92.205";
+  mailIpv6 = "2a01:4f8:c014:2585::1";
+  dkimRecord = ''
+    v=DKIM1; k=rsa;
+    p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAskpG7m4kninxRE4JF5KzpnBhLbOlGJL2RO/iDfzdz6sHEvxe78q9c5UnZ0OQddOSuQo4q48dJkXR/XzqY7Ak109lhoAx+Kr1neYsi8/
+    JaoTC8OURk365+/aBSmWXUCCBphCx43QWfC9h8GMQ6PUIqawkz5CcGPT7X7hPdwHQcd5Vn3CqmABptxdwshdkBjZs
+    oi79BOo9ZrQSTY7iiLcOP7hVVC9Ad+ydlZ4MWGfy5BxgyTGrrtuSuLcM219oqdovIvr2EtXs8AMx5fyXplKE3R/
+    YlwF2Jcy50Gmb5y/E9pOaFjVv8HXUmKsvuhA2b8K+rt0WVHNc3dvbgZUl8bGAQIDAQAB
+  '';
+  dnssecKeyTag = "20930";
+}

servers/hetzner/hosts/hetzner/hardware-configuration.nix

@@ -0,0 +1,21 @@
+# 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 = [];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

servers/hetzner/hosts/hetzner/hardware.nix

@@ -0,0 +1,51 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  boot = {
+    loader = {
+      grub = {
+        enable = true;
+        device = "/dev/sda";
+        efiSupport = true;
+        efiInstallAsRemovable = true;
+      };
+      efi = {
+        efiSysMountPoint = "/boot/efi";
+      };
+    };
+    initrd.availableKernelModules = ["ata_piix" "virtio_pci" "virtio_scsi" "virtio_blk"];
+  };
+
+  swapDevices = [
+    {
+      device = "/swap";
+      size = 2048;
+    }
+  ];
+
+  # Enable Podman OCI container support
+  virtualisation = {
+    podman = {
+      enable = true;
+      dockerCompat = true;
+      defaultNetwork.settings = {
+        dns_enabled = true;
+        ipv6_enabled = true;
+        subnets = [
+          {
+            subnet = "10.88.0.0/16";
+            gateway = "10.88.0.1";
+          }
+          {
+            subnet = "fd00:dead:beef::/48";
+            gateway = "fd00:dead:beef::1";
+          }
+        ];
+      };
+    };
+    oci-containers.backend = "podman";
+  };
+}

servers/hetzner/hosts/hetzner/networking.nix

@@ -0,0 +1,65 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  networking = {
+    hostName = "debian-4gb-fsn1-1";
+    domain = "severijnse.eu";
+    useDHCP = true;
+    dhcpcd.enable = true;
+    nameservers = [
+      "2a01:4ff:ff00::add:2"
+      "2a01:4ff:ff00::add:1"
+      "185.12.64.2"
+    ];
+    search = ["severijnse.eu"];
+    interfaces."enp1s0" = {
+      ipv6.addresses = [
+        {
+          address = "2a01:4f8:c014:2585::1";
+          prefixLength = 64;
+        }
+      ];
+      ipv6.routes = [
+        {
+          address = "::";
+          prefixLength = 0;
+          via = "fe80::1";
+        }
+      ];
+    };
+    firewall = {
+      enable = true;
+      allowedTCPPorts = [
+        22 # SSH
+        53 # DNS (CoreDNS)
+        80 # HTTP (Caddy)
+        443 # HTTPS (Caddy)
+        465 # SMTP over TLS
+        587 # SMTP (STARTTLS)
+        993 # IMAP over TLS
+        143 # IMAP
+        25 # SMTP
+        222 # Gitea SSH
+        51821 # WG-Easy web UI
+      ];
+      allowedUDPPorts = [
+        53 # DNS
+        51820 # WireGuard
+      ];
+    };
+    nat = {
+      enable = true;
+      externalInterface = "enp1s0";
+      internalInterfaces = ["wg0"];
+    };
+  };
+
+  boot.kernel.sysctl = {
+    "net.ipv4.ip_forward" = 1;
+    "net.ipv4.conf.all.src_valid_mark" = 1;
+    "net.ipv6.conf.all.forwarding" = 1;
+  };
+}

servers/hetzner/hosts/hetzner/users.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  users.users = {
+    root = {
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYboWHsP50CXzMpz4FogC3ecFchjZARCdY4wSTc/Et0 someone@archlinux"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKAlpdPnqihMxE6XPBUQ9Kb6MrvWUWw/BYx6kf2kTPD6 admin@severijnse.eu"
+      ];
+    };
+
+    admin = {
+      isNormalUser = true;
+      uid = 1000;
+      description = "Jory";
+      extraGroups = ["wheel" "docker" "podman"];
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGYboWHsP50CXzMpz4FogC3ecFchjZARCdY4wSTc/Et0 someone@archlinux"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKAlpdPnqihMxE6XPBUQ9Kb6MrvWUWw/BYx6kf2kTPD6 admin@severijnse.eu"
+      ];
+      shell = pkgs.fish;
+    };
+  };
+
+  services.openssh = {
+    enable = true;
+    settings = {
+      PermitRootLogin = "prohibit-password";
+      PasswordAuthentication = false;
+      PubkeyAuthentication = true;
+    };
+    hostKeys = [
+      {
+        path = "/etc/ssh/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+    ];
+  };
+
+  security.sudo.wheelNeedsPassword = false;
+}

servers/hetzner/modules/security/acme.nix

@@ -0,0 +1,17 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  # NOTE: Caddy handles all TLS natively via its ACME integration.
+  # This module is kept as a fallback for non-Caddy services.
+  # Currently NOT imported in default.nix — uncomment there to activate.
+  security.acme = {
+    acceptTerms = true;
+    defaults = {
+      email = "jory@severijnse.eu";
+      group = "caddy";
+    };
+  };
+}

servers/hetzner/modules/services/backup.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  backupScript = pkgs.writeShellScript "weekly-backup" ''
+    BACKUP_DIR="/home/admin/backups"
+    SRC="/home/admin"
+    DATE=$(date +%Y-%m-%dT%H-%M-%S)
+    FILENAME="weekly-backup-$DATE.tar.gz"
+
+    mkdir -p "$BACKUP_DIR"
+    # Backup everything under /home/admin EXCEPT:
+    # - The backups dir itself (infinite loop)
+    # - DMS mail data (GBs of email, backed up separately)
+    # - NixOS-managed service data (at their own paths below)
+    tar czf "$BACKUP_DIR/$FILENAME" \
+      --exclude="$BACKUP_DIR" \
+      --exclude="/home/admin/backups" \
+      --exclude="/home/admin/dms/mail-data" \
+      --exclude="/home/admin/dms/mail-state" \
+      "$SRC"
+
+    # Prune backups older than 14 days
+    find "$BACKUP_DIR" -name "weekly-backup-*" -mtime +14 -delete
+  '';
+in {
+  systemd.services.weekly-backup = {
+    description = "Weekly backup of home directory";
+    path = with pkgs; [coreutils gnutar findutils];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${backupScript}";
+      User = "root";
+    };
+  };
+
+  systemd.timers.weekly-backup = {
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnCalendar = "Mon *-*-* 03:00:00";
+      Persistent = true;
+    };
+  };
+}

servers/hetzner/modules/services/caddy.nix

@@ -0,0 +1,248 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  domain = "severijnse.eu";
+  antiScrape = ''
+    @bad_bot {
+      header_regexp User-Agent "(?i)(scrapy|cpython-requests|python-requests|curl|wget|go-http-client|ltx71|petalbot|bytespider|dotbot|ahrefsbot|semrushbot|mj12bot|dataforseo|facebookexternalhit|claudebot|anthropic-ai|perplexity|gptbot|chatgpt-user|omnisci|imgproxy|ccbot|exabot|360spider|baiduspider|sogou|duckduckgo|amazonbot|cohere-ai|diffbot|imagesiftbot).*"
+    }
+    respond @bad_bot "" 444
+    header {
+      X-Robots-Tag "noindex, nofollow, noai, noimageai"
+    }
+  '';
+in {
+  services.caddy = {
+    enable = true;
+    group = "caddy";
+    dataDir = "/var/lib/caddy";
+    logDir = "/var/log/caddy";
+    globalConfig = ''
+      email jory@severijnse.eu
+      servers {
+        trusted_proxies static private_ranges
+      }
+    '';
+    # Global Caddyfile snippets (shared across all virtual hosts).
+    extraConfig = ''
+      (admin_gate) {
+        @notvpn not remote_ip 10.8.0.0/24
+        respond @notvpn "Forbidden" 403
+      }
+      # Security headers applied to every response of every site that
+      # imports this snippet (covers all current and future hosts).
+      # For proxied hosts whose upstream sets its own copies, strip them
+      # with `header_down` inside the reverse_proxy block instead.
+      (security_headers) {
+        header {
+          X-Content-Type-Options "nosniff"
+          X-XSS-Protection "0"
+          X-Frame-Options "SAMEORIGIN"
+        }
+      }
+      (csp) {
+        header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; object-src 'none'; base-uri 'self'; frame-ancestors 'self'; form-action 'self'; connect-src 'self' wss: ws:"
+      }
+    '';
+    virtualHosts = {
+      "severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          @logo path /logo.svg
+          handle @logo {
+            root * /srv
+            file_server
+            header Content-Type image/svg+xml
+            header Cache-Control "public, immutable, max-age=31536000"
+            header X-Content-Type-Options nosniff
+          }
+          handle {
+            redir https://jory.severijnse.eu{uri} permanent
+          }
+        '';
+      };
+
+      "www.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          redir https://jory.severijnse.eu{uri} permanent
+        '';
+      };
+
+      "jory.severijnse.eu" = {
+        extraConfig = ''
+                    import security_headers
+                    import csp
+                    ${antiScrape}
+                    root * /srv/jory
+                    file_server
+                    try_files {path} /index.html
+                    encode zstd gzip
+                    header Strict-Transport-Security "max-age=31536000;"
+                    @robots path /robots.txt
+                    handle @robots {
+                      header Content-Type text/plain
+                      respond `User-agent: *
+          Allow: /
+
+          User-agent: Googlebot
+          Allow: /
+
+          User-agent: Bingbot
+          Allow: /
+
+          User-agent: Twitterbot
+          Allow: /
+
+          User-agent: facebookexternalhit
+          Allow: /
+
+          User-agent: GPTBot
+          User-agent: ChatGPT-User
+          User-agent: OAI-SearchBot
+          User-agent: ClaudeBot
+          User-agent: Claude-Web
+          User-agent: anthropic-ai
+          User-agent: PerplexityBot
+          User-agent: Bytespider
+          User-agent: Amazonbot
+          User-agent: CCBot
+          User-agent: Google-Extended
+          User-agent: Applebot-Extended
+          Disallow: /
+          ` 200
+                    }
+        '';
+      };
+
+      "mta-sts.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          root * /srv
+          file_server
+          header Content-Type text/plain
+          header Cache-Control "public, max-age=300"
+          header X-Content-Type-Options nosniff
+        '';
+      };
+
+      "vault.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          import admin_gate
+          header Strict-Transport-Security "max-age=31536000;"
+          reverse_proxy 127.0.0.1:1001
+          encode zstd gzip
+        '';
+      };
+
+      "git.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          reverse_proxy 127.0.0.1:3000
+          encode zstd gzip
+        '';
+      };
+
+      "mail.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          ${antiScrape}
+          reverse_proxy 127.0.0.1:8888 {
+            # Strip copies set by the upstream SnappyMail container so we
+            # emit exactly one correct value of each security header.
+            header_down -X-Frame-Options
+            header_down -X-XSS-Protection
+            header_down -X-Content-Type-Options
+          }
+          encode zstd gzip
+        '';
+      };
+
+      "vpn.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          reverse_proxy 127.0.0.1:51821
+          encode zstd gzip
+        '';
+      };
+
+      "mine.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          reverse_proxy 127.0.0.1:81
+        '';
+      };
+
+      "music.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          reverse_proxy 127.0.0.1:4321
+        '';
+      };
+
+      "fail2ban.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          import admin_gate
+          reverse_proxy 127.0.0.1:8080
+        '';
+      };
+
+      "automate.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          import admin_gate
+          reverse_proxy 127.0.0.1:5678
+          encode zstd gzip
+        '';
+      };
+
+      "pay.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          ${antiScrape}
+          import admin_gate
+          reverse_proxy 127.0.0.1:5000
+          encode zstd gzip
+        '';
+      };
+
+      "http://ip.severijnse.eu" = {
+        extraConfig = ''
+          import security_headers
+          import csp
+          header Content-Type text/plain
+          respond {client_ip} 200
+        '';
+      };
+    };
+  };
+
+  systemd.tmpfiles.rules = [
+    "d /srv 0755 caddy caddy -"
+    "d /srv/jory 0755 caddy caddy -"
+  ];
+}

servers/hetzner/modules/services/coredns.nix

@@ -0,0 +1,144 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  zoneFile = pkgs.writeText "severijnse.eu.db" ''
+    $ORIGIN severijnse.eu.
+    $TTL 3600
+    severijnse.eu. 3600 IN SOA ns1.severijnse.eu. abuse.severijnse.eu. 2026071003 3600 1800 1209600 86400
+         IN    NS     ns1.severijnse.eu.
+         IN    NS     ns2.severijnse.eu.
+
+    @    IN    A      49.13.92.205
+    www  IN    A      49.13.92.205
+    ns1  IN    A      49.13.92.205
+    ns2  IN    A      49.13.92.205
+    mail IN    A      49.13.92.205
+
+    @    IN    AAAA   2a01:4f8:c014:2585::1
+    www  IN    AAAA   2a01:4f8:c014:2585::1
+    ns1  IN    AAAA   2a01:4f8:c014:2585::1
+    ns2  IN    AAAA   2a01:4f8:c014:2585::1
+    mail IN    AAAA   2a01:4f8:c014:2585::1
+
+    *.severijnse.eu.  IN A      49.13.92.205
+    *.severijnse.eu.  IN AAAA   2a01:4f8:c014:2585::1
+
+    @    IN    MX     10 mail.severijnse.eu.
+
+    mail._domainkey.severijnse.eu. 300 IN TXT (
+      "v=DKIM1; k=rsa; "
+      "p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAskpG7m4kninxRE4JF5KzpnBhLbOlGJL2RO/iDfzdz6sHEvxe78q9c5UnZ0OQddOSuQo4q48dJkXR/XzqY7Ak109lhoAx+Kr1neYsi8/"
+      "JaoTC8OURk365+/aBSmWXUCCBphCx43QWfC9h8GMQ6PUIqawkz5CcGPT7X7hPdwHQcd5Vn3CqmABptxdwshdkBjZs"
+      "oi79BOo9ZrQSTY7iiLcOP7hVVC9Ad+ydlZ4MWGfy5BxgyTGrrtuSuLcM219oqdovIvr2EtXs8AMx5fyXplKE3R/"
+      "YlwF2Jcy50Gmb5y/E9pOaFjVv8HXUmKsvuhA2b8K+rt0WVHNc3dvbgZUl8bGAQIDAQAB"
+    )
+    _dmarc.severijnse.eu. IN TXT "v=DMARC1; p=reject; rua=mailto:abuse@severijnse.eu"
+    severijnse.eu. IN TXT "v=spf1 mx ip4:49.13.92.205 -all"
+
+    default._bimi.severijnse.eu. IN TXT "v=BIMI1; l=https://severijnse.eu/logo.svg; avp=personal;"
+
+    severijnse.eu. IN CAA 0 issue "letsencrypt.org"
+    severijnse.eu. IN CAA 0 issuewild "letsencrypt.org"
+    severijnse.eu. IN CAA 0 iodef "mailto:abuse@severijnse.eu"
+
+    _smtp._tls.severijnse.eu. IN TXT "v=TLSRPTv1; rua=mailto:abuse@severijnse.eu"
+    _mta-sts.severijnse.eu. IN TXT "v=STSv1; id=2024120501"
+
+    severijnse.eu.    300    IN    TXT    "google-site-verification=H0HHB7zNQ10uom1zH5f8CEtHcVVcWiuu41ZQv348T5U"
+
+    ; TLSA records updated dynamically by mail-cert-sync service.
+    ; The placeholders below mirror the current live certificate so the zone is
+    ; correct even if the sync service has not yet run (e.g. a failed boot).
+    _25._tcp.mail.severijnse.eu. 3600 IN TLSA 3 1 1 15ec4d8823874c8363af004188338f76e6e6c5878faf25cdf40556b44b26677d
+    _465._tcp.mail.severijnse.eu. 3600 IN TLSA 3 1 1 15ec4d8823874c8363af004188338f76e6e6c5878faf25cdf40556b44b26677d
+    _993._tcp.mail.severijnse.eu. 3600 IN TLSA 3 1 1 15ec4d8823874c8363af004188338f76e6e6c5878faf25cdf40556b44b26677d
+
+    severijnse.eu. IN DS 20930 13 2 B0D9B13DCE5FA0D41589239EB5166D124B0C9D3060A538726DDCCBFC91E8DBD8
+
+    @       IN DNSKEY 257 3 13 kOc88RGHKdWa7YLjNs7mljux7cT9/9wVNgcp+8jaVe6zle4cHAk6+Sub9wKEVa7Q4FlQYzS1KFL2HOW05Azq1A==
+    @       IN DNSKEY 256 3 13 QTFplRlXes5NExKLvuCJmX0l8FhulFNS+sJw+pvcAq4+0T3cCzT6hmcJPjd4BVl6KvvyS78Vij2f7HjrcjyHfw==
+    @       IN CDS  20930 13 2 B0D9B13DCE5FA0D41589239EB5166D124B0C9D3060A538726DDCCBFC91E8DBD8
+    @       IN CDNSKEY 257 3 13 kOc88RGHKdWa7YLjNs7mljux7cT9/9wVNgcp+8jaVe6zle4cHAk6+Sub9wKEVa7Q4FlQYzS1KFL2HOW05Azq1A==
+
+    severijnse.eu IN SSHFP 1 1 7f5235b2997e0c621fe773acaaae45b9551049ce
+    severijnse.eu IN SSHFP 1 2 2ec1d37df094915253c0b059762052ae19e66cd97e82d7a58ac1a0d1bd5d5e52
+    severijnse.eu IN SSHFP 3 1 240418eb7cc2a3969257c30363d16103dbfd5822
+    severijnse.eu IN SSHFP 3 2 43dbfdd8b131efda4c98844e1434e4f35e773f472bdb355ede94f8a9f7001c35
+    severijnse.eu IN SSHFP 4 1 efbd7836208684d110f3a72543eba74ad8e54b44
+    severijnse.eu IN SSHFP 4 2 c02f4b13aef78579f3466851fcc741c0169eaa63237463ceacc9bb72a2be0519
+  '';
+in {
+  # Decrypt DNSSEC keys from sops-encrypted file using the age key at /etc/age/keys.txt
+  # Uses sops CLI directly instead of sops-nix's sops-install-secrets (avoids Go 1.25 build dep)
+  systemd.services.decrypt-coredns-keys = {
+    description = "Decrypt CoreDNS DNSSEC signing keys";
+    before = ["coredns.service"];
+    wantedBy = ["coredns.service"];
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+      Environment = "SOPS_AGE_KEY_FILE=/etc/age/keys.txt";
+    };
+    script = ''
+      SOPS_FILE=${../../secrets/coredns-keys.yaml}
+      KEYS_DIR=/var/lib/coredns/keys
+      mkdir -p "$KEYS_DIR"
+
+      ${pkgs.sops}/bin/sops --decrypt --extract '["coredns_ksk_key"]' "$SOPS_FILE" > "$KEYS_DIR/Kseverijnse.eu.+013+20930.key"
+      ${pkgs.sops}/bin/sops --decrypt --extract '["coredns_ksk_private"]' "$SOPS_FILE" > "$KEYS_DIR/Kseverijnse.eu.+013+20930.private"
+      ${pkgs.sops}/bin/sops --decrypt --extract '["coredns_zsk_key"]' "$SOPS_FILE" > "$KEYS_DIR/Kseverijnse.eu.+013+38678.key"
+      ${pkgs.sops}/bin/sops --decrypt --extract '["coredns_zsk_private"]' "$SOPS_FILE" > "$KEYS_DIR/Kseverijnse.eu.+013+38678.private"
+
+      chmod 644 "$KEYS_DIR/"*
+    '';
+  };
+
+  # Ensure coredns waits for key decryption
+  systemd.services.coredns = {
+    after = ["decrypt-coredns-keys.service"];
+    requires = ["decrypt-coredns-keys.service"];
+  };
+
+  services.coredns = {
+    enable = true;
+    config = ''
+      severijnse.eu {
+          bind 127.0.0.1 49.13.92.205 2a01:4f8:c014:2585::1
+          file /var/lib/coredns/zones/severijnse.eu.db {
+              reload 300s
+          }
+          dnssec {
+              key file /var/lib/coredns/keys/Kseverijnse.eu.+013+38678
+              key file /var/lib/coredns/keys/Kseverijnse.eu.+013+20930
+          }
+          log
+          errors
+      }
+
+      . {
+          bind 127.0.0.1
+          forward . 1.1.1.1 8.8.8.8
+          log
+          errors
+      }
+    '';
+  };
+
+  # Copy zone file from Nix store to writable location on service start
+  # TLSA updater will modify the writable copy at runtime
+  systemd.services.coredns = {
+    preStart = ''
+      cp -f ${zoneFile} /var/lib/coredns/zones/severijnse.eu.db
+      chown coredns:coredns /var/lib/coredns/zones/severijnse.eu.db
+    '';
+  };
+
+  systemd.tmpfiles.rules = [
+    "d /var/lib/coredns 0750 coredns coredns -"
+    "d /var/lib/coredns/zones 0750 coredns coredns -"
+    "d /var/lib/coredns/keys 0750 coredns coredns -"
+  ];
+}

servers/hetzner/modules/services/fail2ban.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  # Keep fail2ban as OCI container to preserve the web UI
+  virtualisation.oci-containers.containers.fail2ban = {
+    image = "crazymax/fail2ban:latest";
+    autoStart = true;
+    volumes = [
+      "/home/admin/dms/mail-logs:/var/log/mail:ro"
+      "/home/admin/fail2ban/data:/data:Z"
+    ];
+    environment = {
+      TZ = "Europe/Amsterdam";
+    };
+    extraOptions = [
+      "--network=host"
+      "--cap-add=NET_ADMIN"
+    ];
+  };
+
+  systemd.tmpfiles.rules = [
+    "d /var/log/mail 0755 root root -"
+  ];
+}

servers/hetzner/modules/services/gitea.nix

@@ -0,0 +1,64 @@
+{
+  config,
+  pkgs,
+  lib,
+  unstablePkgs,
+  ...
+}: {
+  services.postgresql = {
+    enable = true;
+    package = pkgs.postgresql_14;
+    ensureDatabases = ["gitea"];
+    ensureUsers = [
+      {
+        name = "gitea";
+        ensureDBOwnership = true;
+      }
+    ];
+  };
+
+  # Gitea connects to local Postgres via Unix socket (peer auth).
+  # No password needed — the socket is at /run/postgresql by default.
+  # createDatabase = true ensures the DB + user are set up automatically.
+  services.gitea = {
+    enable = true;
+    package = unstablePkgs.gitea;
+    database.type = "postgres";
+    database.name = "gitea";
+    database.user = "gitea";
+    appName = "Jory's Git";
+    lfs.enable = true;
+    settings = {
+      server = {
+        DOMAIN = "git.severijnse.eu";
+        ROOT_URL = "https://git.severijnse.eu/";
+        HTTP_PORT = 3000;
+        SSH_PORT = 222;
+        SSH_LISTEN_PORT = 2222;
+        START_SSH_SERVER = true;
+        SSH_USER = "git";
+        BUILTIN_SSH_SERVER_USER = "git";
+        LANDING_PAGE = "explore";
+      };
+      service = {
+        DISABLE_REGISTRATION = true;
+        REQUIRE_SIGNIN_VIEW = false;
+      };
+      repository = {
+        DEFAULT_BRANCH = "main";
+      };
+    };
+  };
+
+  # Gitea built-in SSH server: listens on high port 2222 (no privileged-cap needed),
+  # while clone URLs advertise port 222. Firewall redirects 222 -> 2222.
+  networking.firewall.allowedTCPPorts = [222 2222];
+
+  # Redirect external git SSH (222) to Gitea's internal listener (2222)
+  networking.firewall.extraCommands = ''
+    ${pkgs.nftables}/bin/nft add table inet gitea-redirect 2>/dev/null || true
+    ${pkgs.nftables}/bin/nft flush chain inet gitea-redirect prerouting 2>/dev/null || true
+    ${pkgs.nftables}/bin/nft add chain inet gitea-redirect prerouting '{ type nat hook prerouting priority dstnat; }' 2>/dev/null || true
+    ${pkgs.nftables}/bin/nft add rule inet gitea-redirect prerouting tcp dport 222 redirect to :2222 2>/dev/null || true
+  '';
+}

servers/hetzner/modules/services/mailserver.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.mailserver = {
+    image = "ghcr.io/docker-mailserver/docker-mailserver:latest";
+    autoStart = true;
+    hostname = "mail.severijnse.eu";
+    ports = [
+      "25:25"
+      "[::]:25:25"
+      "143:143"
+      "[::]:143:143"
+      "465:465"
+      "[::]:465:465"
+      "587:587"
+      "[::]:587:587"
+      "993:993"
+      "[::]:993:993"
+    ];
+    volumes = [
+      "/home/admin/dms/mail-data/:/var/mail/:Z"
+      "/home/admin/dms/mail-state/:/var/mail-state/:Z"
+      "/home/admin/dms/mail-logs/:/var/log/mail/:Z"
+      "/home/admin/dms/config/:/tmp/docker-mailserver/:Z"
+      "/etc/localtime:/etc/localtime:ro"
+      # On the running Debian, Caddy v2 stores certs at /home/admin/caddy/data/caddy/certificates/...
+      # On NixOS, Caddy stores certs at /var/lib/caddy/certificates/...
+      "/var/lib/caddy/certificates/acme-v02.api.letsencrypt.org-directory/mail.severijnse.eu/:/etc/letsencrypt/live/mail.severijnse.eu/:ro"
+    ];
+    environment = {
+      OVERRIDE_HOSTNAME = "";
+      LOG_LEVEL = "info";
+      SPOOF_PROTECTION = "1";
+      MOVE_SPAM_TO_JUNK = "1";
+    };
+    environmentFiles = ["/home/admin/mailserver.env"];
+    extraOptions = [
+      "--label=com.centurylinklabs.watchtower.enable=true"
+      "--dns=1.1.1.1"
+      "--dns=8.8.8.8"
+    ];
+  };
+}

servers/hetzner/modules/services/rustdesk.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers = {
+    hbbr = {
+      image = "rustdesk/rustdesk-server:latest";
+      cmd = ["hbbr"];
+      autoStart = true;
+      volumes = [
+        "/home/admin/rustdesk:/root:Z"
+      ];
+      extraOptions = [
+        "--network=host"
+      ];
+    };
+    hbbs = {
+      image = "rustdesk/rustdesk-server:latest";
+      cmd = ["hbbs"];
+      autoStart = true;
+      volumes = [
+        "/home/admin/rustdesk:/root:Z"
+      ];
+      dependsOn = ["hbbr"];
+      extraOptions = [
+        "--network=host"
+      ];
+    };
+  };
+}

servers/hetzner/modules/services/shkeeper.nix

@@ -0,0 +1,23 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.shkeeper = {
+    image = "vsyshost/shkeeper:2.5.29";
+    autoStart = true;
+    ports = ["5000:5000"];
+    volumes = [
+      "/home/admin/shkeeper-data:/app/data:Z"
+    ];
+    environment = {
+      SHKEEPER_HOST = "0.0.0.0";
+      SHKEEPER_PORT = "5000";
+    };
+    extraOptions = [
+      "--env-file=/home/admin/shkeeper.env"
+      "--label=com.centurylinklabs.watchtower.enable=true"
+    ];
+  };
+}

servers/hetzner/modules/services/snappymail.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.snappymail = {
+    image = "djmaze/snappymail:latest";
+    autoStart = true;
+    ports = ["127.0.0.1:8888:8888"];
+    volumes = [
+      "/home/admin/snappymail-data:/var/lib/snappymail:Z"
+    ];
+    environment = {
+      TZ = "Europe/Berlin";
+    };
+    extraOptions = [
+      "--label=com.centurylinklabs.watchtower.enable=true"
+    ];
+  };
+
+  # Ensure the persistent data dir exists so podman's :Z relabel (statfs) succeeds on first boot.
+  # Owned by 82:82 (www-data) because the container's PHP worker runs as UID 82 and must be
+  # able to write to /var/lib/snappymail (SnappyMail checks is_writable on that path).
+  systemd.tmpfiles.rules = [
+    "d /home/admin/snappymail-data 0755 82 82 - -"
+  ];
+}

servers/hetzner/modules/services/tlsa-updater.nix

@@ -0,0 +1,99 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  # Caddy's canonical certificate storage (XDG data dir). Renewals land here,
+  # owned caddy:caddy 0600 — the mail server's non-root Postfix/Dovecot cannot
+  # read it directly, so we copy it into a world-readable distribution dir.
+  caddyCertDir = "/var/lib/caddy/.local/share/caddy/certificates/acme-v02.api.letsencrypt.org-directory/mail.severijnse.eu";
+  # World-readable distribution dir mounted (RO) into the mail server container.
+  distCertDir = "/var/lib/caddy/certificates/acme-v02.api.letsencrypt.org-directory/mail.severijnse.eu";
+  zoneFile = "/var/lib/coredns/zones/severijnse.eu.db";
+
+  syncScript = pkgs.writeShellScript "tlsa-update" ''
+    set -euo pipefail
+    OPENSSL="${pkgs.openssl}/bin/openssl"
+
+    SRC_CERT="${caddyCertDir}/mail.severijnse.eu.crt"
+    SRC_KEY="${caddyCertDir}/mail.severijnse.eu.key"
+    DST_CERT="${distCertDir}/mail.severijnse.eu.crt"
+    DST_KEY="${distCertDir}/mail.severijnse.eu.key"
+
+    # Caddy has not obtained the certificate yet (e.g. first boot before HTTP-01).
+    if [ ! -f "$SRC_CERT" ] || [ ! -f "$SRC_KEY" ]; then
+      echo "tlsa-update: certificate not found at $caddyCertDir, skipping" >&2
+      exit 0
+    fi
+
+    # 1) Propagate Caddy's renewed certificate into the distribution dir the
+    #    mail server mounts. Caddy stores certs 0600 caddy:caddy. The cert is
+    #    world-readable (Postfix/Dovecot read it as root before dropping
+    #    privileges); the private key is restricted to root (0640) so it is not
+    #    exposed to other local users.
+    install -D -m 0644 "$SRC_CERT" "$DST_CERT"
+    install -D -m 0640 "$SRC_KEY"  "$DST_KEY"
+
+    # 2) TLSA 3 1 1 = SHA-256 of the certificate's SubjectPublicKeyInfo (SPKI),
+    #    NOT the whole certificate. Matching type 1 = SHA-256 of the SPKI DER.
+    HEX=$("$OPENSSL" x509 -in "$DST_CERT" -noout -pubkey 2>/dev/null | "$OPENSSL" pkey -pubin -outform DER 2>/dev/null | "$OPENSSL" dgst -sha256 | cut -d' ' -f2)
+
+    # 3) Update the CoreDNS zone. coredns.service regenerates this file from the
+    #    Nix store on every start, so this unit (which is partOf coredns and runs
+    #    after it) re-applies the correct TLSA after each rebuild/restart.
+    if [ -f "${zoneFile}" ]; then
+      sed -i -E "s/^(_25\._tcp\.mail.*TLSA 3 1 1).*/\1 $HEX/" "${zoneFile}"
+      sed -i -E "s/^(_465\._tcp\.mail.*TLSA 3 1 1).*/\1 $HEX/" "${zoneFile}"
+      sed -i -E "s/^(_993\._tcp\.mail.*TLSA 3 1 1).*/\1 $HEX/" "${zoneFile}"
+      chown coredns:coredns "${zoneFile}"
+      chmod 0640 "${zoneFile}"
+    fi
+
+    # 4) Reload services so the changes take effect immediately.
+    systemctl reload coredns.service || true
+    podman exec mailserver postfix reload || true
+    podman exec mailserver dovecot reload || true
+
+    echo "tlsa-update: TLSA set to $HEX"
+  '';
+in {
+  # Ensure the distribution dir exists (Caddy does not write here).
+  systemd.tmpfiles.rules = [
+    "d ${distCertDir} 0755 root root - -"
+  ];
+
+  systemd.services.tlsa-update = {
+    description = "Sync Caddy TLS certificate to mail server and update DANE/TLSA records";
+    after = ["caddy.service" "coredns.service"];
+    partOf = ["coredns.service"];
+    wantedBy = ["multi-user.target"];
+    path = with pkgs; [openssl coreutils gnused podman systemd];
+    serviceConfig = {
+      Type = "oneshot";
+      ExecStart = "${syncScript}";
+      User = "root";
+      Group = "root";
+    };
+  };
+
+  # Fire as soon as Caddy rewrites the certificate on renewal (the atomic rewrite
+  # changes the directory mtime), eliminating the up-to-24h DANE drift window.
+  systemd.paths.tlsa-update = {
+    description = "Watch Caddy certificate directory for renewal";
+    wantedBy = ["paths.target"];
+    pathConfig = {
+      PathModified = [caddyCertDir];
+      Unit = "tlsa-update.service";
+    };
+  };
+
+  # Fallback in case a renewal event is missed (e.g. inotify overflow).
+  systemd.timers.tlsa-update = {
+    wantedBy = ["timers.target"];
+    timerConfig = {
+      OnCalendar = "daily";
+      Persistent = true;
+    };
+  };
+}

servers/hetzner/modules/services/vaultwarden.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.vaultwarden = {
+    image = "vaultwarden/server:latest";
+    autoStart = true;
+    ports = ["1001:80"];
+    volumes = [
+      "/home/admin/vw-data:/data:Z"
+    ];
+    environment = {
+      DOMAIN = "https://vault.severijnse.eu";
+      LOG_FILE = "/data/vaultwarden.log";
+    };
+    extraOptions = [
+      "--label=com.centurylinklabs.watchtower.enable=true"
+    ];
+  };
+}

servers/hetzner/modules/services/watchtower.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.watchtower = {
+    image = "ghcr.io/nicholas-fedor/watchtower:latest";
+    autoStart = true;
+    volumes = [
+      "/var/run/podman/podman.sock:/var/run/docker.sock:ro"
+    ];
+    environment = {
+      WATCHTOWER_CLEANUP = "true";
+      WATCHTOWER_POLL_INTERVAL = "86400";
+      WATCHTOWER_INCLUDE_STOPPED = "true";
+      WATCHTOWER_REVIVE_STOPPED = "true";
+      TZ = "Europe/Amsterdam";
+    };
+    cmd = ["--label-enable"];
+  };
+}

servers/hetzner/modules/services/wireguard.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.wg-easy = {
+    image = "ghcr.io/wg-easy/wg-easy:latest";
+    autoStart = true;
+    volumes = [
+      "/home/admin/config:/etc/wireguard:Z"
+    ];
+    environment = {
+      WG_HOST = "severijnse.eu";
+      PASSWORD_HASH = "$2a$12$b3n4drXgS3B6ubMZxxjPUOQ1XktZ1EuDwm4AIdVulhtoD7b1.WQGC";
+      WG_DEFAULT_ADDRESS = "10.8.0.x";
+      WG_DEFAULT_DNS = "1.1.1.1";
+      WG_PORT = "51820";
+    };
+    extraOptions = [
+      "--cap-add=NET_ADMIN"
+      "--cap-add=SYS_MODULE"
+      "--cap-add=NET_RAW"
+      "--network=host"
+    ];
+  };
+}

servers/hetzner/modules/services/wrxproxy.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  virtualisation.oci-containers.containers.wrxproxy = {
+    image = "localhost/wrxproxy:latest";
+    autoStart = false;
+    ports = ["81:81"];
+    volumes = [
+      "/home/admin/WRXproxy/config.json:/app/config.json:ro"
+    ];
+    extraOptions = [
+      "--label=com.centurylinklabs.watchtower.enable=true"
+    ];
+  };
+}

servers/hetzner/modules/system/env.nix

@@ -0,0 +1,28 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  time.timeZone = "Europe/Amsterdam";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  environment.systemPackages = with pkgs; [
+    vim
+    git
+    curl
+    wget
+    htop
+    iotop
+    btop
+    bind.dnsutils # provides dig, nslookup, host
+    jq
+    yq
+    fish
+    podman-compose
+  ];
+
+  programs.fish.enable = true;
+  programs.bash.enableCompletion = true;
+}

servers/hetzner/secrets/.sops.yaml

@@ -0,0 +1,11 @@
+keys:
+  - &admin age1yd59qp5km4cxt99rlfjehnsucrjn9lmj0su4h3avhf6vrtjvnyjqstldl5
+  - &local age15rhqdpwejyf3r6ww70qgv6hqmkpsqraakn26kc49wlauhaceaeqsmuwrdd
+  - &server age1xekdrkjfu82hkxltydm72tllzgayyvfavvudeks3xjuujm5wt5hq6g55v0
+creation_rules:
+  - path_regex: secrets/.*\.yaml
+    key_groups:
+      - age:
+          - *admin
+          - *local
+          - *server

servers/hetzner/secrets/README.md

@@ -0,0 +1,26 @@
+# Secrets
+
+This directory contains encrypted secrets managed with sops-nix.
+
+## Setup
+
+1. Generate an age key on the target machine:
+   ```
+   mkdir -p /etc/age
+   age-keygen -o /etc/age/keys.txt
+   ```
+
+2. Add the public key to `.sops.yaml`
+
+3. Create/edit secrets:
+   ```
+   sops secrets/mail-accounts.yaml
+   sops secrets/env.yaml
+   ```
+
+## Files
+
+- `env.yaml` - Environment variables (WG_HOST, PASSWORD_HASH, etc.)
+- `mail-accounts.yaml` - Mail server account credentials
+- `wireguard-keys.yaml` - WireGuard private keys
+- `ssh-keys.yaml` - SSH private keys (mail.private, etc.)

servers/hetzner/secrets/coredns-keys.yaml

@@ -0,0 +1,37 @@
+coredns_ksk_key: ENC[AES256_GCM,data:mPjyv74ujSVnbJ6cjFdO7XtkThDv4clF+K+d485njvvx7IBrC4t+DMMtJxqL7qad8Cf4g/vx3cO0dsB8UbsbuyVAEPpgmGnqTJ+Ec4zbP73g7u4W/HcgT+ZcGY2fzuz/K7uETRN852KfE6RIKkTZkOfBfo1YsOglpRTiSQMh4Jnso9Nihdh7hfbQQ0yXjhQMhGFTUGYR4AQM3ZUFkjY2hN0Ys34Tbwg4HnHwcmWMnwGj7Ab29HU/UP//AAb1rlUNcde6MuWAGlObj6P/poxjeVyWL7lfAveAEqZiHyUDUE2939cCROT1TLZ+f3t2hinK4bzTfp3n9fxhVt4LG7WnDDms97+7M9rI2dVSxDnDTAElyU8NGlYmDcUOOzeTBccxnVegUuRNHMhT2Hrut3K+TGgpTdDNA93PXNB/cCodvNDWtZGrZuRtANZPVMTe7E/3fiw6urrxR59G,iv:fByY/Z4kzxAFXobtrV8Y59IdqzN4W/HsvEPGOhBGI+E=,tag:FoB4jrxsLXNKnhFykX6F/g==,type:str]
+coredns_ksk_private: ENC[AES256_GCM,data:yaVhVVR1QHXshePY2x9qbOJszl3tj3ne71W7TP+JG2gF1BiU+EBp8QJNQBcj58sFwun88RPIUK5OUgJ/n9dyEWOCf3jfDO4yRD7XLqJVp3tf15Ou2FytHd7hg52id+1gJxSRmhxHWw5of1v9Jo6cocET6tnVnygsPmxJEufoW3DyFZrPscba7rsJhpjJNINEcvgcD44ySy47gisA2s1oIgXp/UJmoZ/H6IXm9/HL66bvfl0ubZ0rxa0Rlg==,iv:pXl8ppb1Pxl5mRBY2sa595ChSAD/zdbKK+H4xeeMG+I=,tag:ez8xqxXfzf3U15YHbaxUZg==,type:str]
+coredns_zsk_key: ENC[AES256_GCM,data:AdGcUU1qjdRSlI1j6LJGsrqXgUqMfHJGETaVJETPN8+JEjdHvLXCpuiqnJE20hqXDi6gIrBaUQMruJG2KfSZTfxSPoqIYoAlbBQBpTsGwpFazWIsggMJNlqUYKSnBr4QsBTj6A/IZYR4KzcJX+vo7pL0nLz+bpH1/o6ry7lghqt7sIjS9Nx1CKW6WpMPePjBViGp8i5jQWijsUCj+DRjQatycBKhpQWCqlYqn+CM99/QWjy/qXWFmgBiiFjQ8lT1AjOIIL0Icger06ReWCl2387xB/JqHbtsq65WOLuJiyxBBw02wOQz09UaKsDsoM59w3SINKqK+YyCkonHXycLuMAuE7tasHVRPEdWsr6os18cystLQO8qp1oVSGtUSVM07TkM8OowMlOmN44veIkgON4s8pN7S9V9N46N0BSC6w7A3u2VqCfAgPLUjPWNieIfir8P3p+gQSPWuw==,iv:Kvc8N+fp2rVd1TTsZHbk67fL2nOlGhqDE+TvH+aU0VE=,tag:1wkgkV1gqddhkkOs1NoztA==,type:str]
+coredns_zsk_private: ENC[AES256_GCM,data:BZxC5iYY8wh6kXbXpNheVrvBh6TB0968ivw06sJ1driytCt3RK6ZtNcr7PMxjxbKCdZKllLIdCABJDrj8eQCLLLMRspYVXLWquJvLHCCGqteY+Ha4b5bdsUO64I+HkDGagZSj7mIsaD7+aGOI2FN4bFhd364qGc1hGACePBUWlUi8AHSQY9KgadXBX2+ud6BIsoyoEN8AhjNK6zSADZYeA3JMJ1HTP1MbAB6owbmQMieunMHwudi6fi6eQ==,iv:lSjLOF6u1gLUv2IQ6rqG9nNCkFa6Yruknx0Lc+E6vzY=,tag:QQv1+47UtX+ZxrYwsrHLSg==,type:str]
+sops:
+    age:
+        - recipient: age1yd59qp5km4cxt99rlfjehnsucrjn9lmj0su4h3avhf6vrtjvnyjqstldl5
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBSUVZKYWFmSU5xbWo2N0Qy
+            c0VPeVIxQ1lNMTB5VkI4dVdsTXlkSEo3azN3CjJtR0lqclZOUjFkVjFWSDM2SGF1
+            OWNKcFNFSGpzd3A3MUZyS09CUWUyMlEKLS0tIG5VdmU1b0YwdWxUTXBzaGR2d2tR
+            UjI1K1pYaC9pTnNNcldXQ3B3endUTDgKHISJEvZrn6VO/voH2ORzeJbpVjpX8MxP
+            qGJ+G7sMM8trCOpkR3wjqSaZVU1hric+0R5oHiMKDLcb3hGN9mgJFA==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age15rhqdpwejyf3r6ww70qgv6hqmkpsqraakn26kc49wlauhaceaeqsmuwrdd
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB5RzlaWXU3ZVo0Y0JiV0xk
+            RlBYR3RHdklSdVhoY0UzYmFxeGl3YkFITW5BCmhITk9DMjRmekFyd0hQbnRCWEY5
+            NFRlUkdRT2lyZzdxbFJxelAyY1ZLYm8KLS0tIEdWc0lOQWU1ZFdHQjVIeTFVdGpH
+            WWxTeW96TC9UWTRMOXdkNVNzd1Rra0kKzkam9SYaIbkSOE+g2FIzIV7nyDHHt+gk
+            Uvhb6dvKW3omRYlh5ln7xDRcHiX83rz/TfPh2GdtXs/J0Oxkeo7drg==
+            -----END AGE ENCRYPTED FILE-----
+        - recipient: age1xekdrkjfu82hkxltydm72tllzgayyvfavvudeks3xjuujm5wt5hq6g55v0
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBWWTc0ZUJrL0dmallFb2Nv
+            TVR0VU9ZdGpzK3FNdjlaR1pmc3RucGZLcXhrClhmWHNjQk5kZ1ZBT2xYek9JM0x1
+            M0krWE8yUVVZMmVCbk83TGhMSUoyVWsKLS0tIDRocWI3L1ZVMmppSU1rUytDTDJz
+            dm5SYXc0VTdWSE1hQ2JtczdUenF1RUkKNfLtmhzZBFqGJKT4MMMVdKG/MmqNqUgF
+            DFPkw2uLlPTW1Wws37ac9u53G7AfcE1zRHiIzGYz9O2Cqc+xKjRpDQ==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2026-07-10T13:18:54Z"
+    mac: ENC[AES256_GCM,data:La/qXs87taoMI4KT3Mnb/MMyVshP3c+sgS5jzSZSGhsT02pOsE3AvG8UFlgcz2gZvD0aTsm3P54B3bHjq61OCcYOKAcS9dJjqDwC91utRf3CL+1hezIJUUjXNMUMTwVbRmNPuP6gZMKsdqztkAqvCxRwqXQWkC10ds2IfzKCQD4=,iv:e/LTO8wzKDw2DP4b/HdSTakcz7lPkLGqcdeU6N5dDDA=,tag:ASw3jQj7mrcVrOdhjlbwng==,type:str]
+    unencrypted_suffix: _unencrypted
+    version: 3.12.2

system/core/boot.nix

@@ -1,12 +1,15 @@
-{ config, pkgs, lib, ... }:
-
 {
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
   boot = {
     bootspec.enable = true;
 
     initrd.systemd.enable = true;
 
-    supportedFilesystems = [ "ntfs" ];
+    supportedFilesystems = ["ntfs"];
 
     kernelPackages = pkgs.linuxPackages_latest;
 

system/core/limine.nix

@@ -1,6 +1,8 @@
-{ lib, pkgs, ... }:
-
 {
+  lib,
+  pkgs,
+  ...
+}: {
   boot.loader = {
     limine = {
       enable = true;

system/default.nix

@@ -15,10 +15,10 @@ let
 
   # GUI-specific modules (display manager, GPU, pipewire)
   gui = [
-    ./core/boot.nix          # plymouth boot splash
+    ./core/boot.nix # plymouth boot splash
-    ./hardware/graphics.nix   # GPU drivers
+    ./hardware/graphics.nix # GPU drivers
-    ./services/greetd.nix      # display manager
+    ./services/greetd.nix # display manager
-    ./services/pipewire.nix   # audio
+    ./services/pipewire.nix # audio
   ];
 
   # Laptop-specific modules (battery, bluetooth)

system/network/avahi.nix

@@ -3,7 +3,7 @@
   services.avahi = {
     enable = true;
     nssmdns4 = true;
-    denyInterfaces = [ "docker0" "veth*" "virbr*" ];
+    denyInterfaces = ["docker0" "veth*" "virbr*"];
     publish = {
       enable = true;
       domain = true;

system/programs/xdg.nix

@@ -5,10 +5,12 @@
 }: let
   # Patch termfilechooser .portal to add Niri to UseIn
   termfilechooser-niri = pkgs.xdg-desktop-portal-termfilechooser.overrideAttrs (old: {
-    postFixup = (old.postFixup or "") + ''
+    postFixup =
-      substituteInPlace $out/share/xdg-desktop-portal/portals/termfilechooser.portal \
+      (old.postFixup or "")
-        --replace-fail "wlroots;" "wlroots;Niri;"
+      + ''
-    '';
+        substituteInPlace $out/share/xdg-desktop-portal/portals/termfilechooser.portal \
+          --replace-fail "wlroots;" "wlroots;Niri;"
+      '';
   });
 in {
   xdg.portal = {

system/services/pipewire.nix

@@ -5,7 +5,7 @@
     alsa.support32Bit = true;
     jack.enable = true;
     pulse.enable = true;
-    extraLadspaPackages = [ pkgs.rnnoise-plugin ];
+    extraLadspaPackages = [pkgs.rnnoise-plugin];
 
     wireplumber = {
       enable = true;