diff --git a/.locksverify b/.locksverify
new file mode 100644
index 0000000..e69de29
diff --git a/secrets/default.nix b/secrets/default.nix
index 99356d8..b2ffdcc 100644
--- a/secrets/default.nix
+++ b/secrets/default.nix
@@ -1,40 +1,46 @@
-{config, ...}: let
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (config.niksos) server;
+
   serviceUser = x: config.systemd.services.${x}.serviceConfig.User;
+  abstrServiceUser = x: config.services.${x}.user;
+  abstrServiceGroup = x: config.services.${x}.group;
 in {
   age.secrets = {
-    transferSh = {
-      file = ./transfer-sh.age;
-      owner = "jsw";
-    };
-    dcbot = {
-      file = ./dcbot.age;
-      owner =
-        if config.niksos.server
-        then serviceUser "dcbot" # "dcbot" doesn't exist on e.g laptop.
-        else "root";
-    };
-    bread-dcbot = {
-      file = ./bread-dcbot.age;
-      owner =
-        if config.niksos.server
-        then serviceUser "bread-dcbot" # "dcbot" doesn't exist on e.g laptop.
-        else "root";
-    };
     password.file = ./password.age;
-    matrix-registration = {
-      file = ./matrix-registration.age;
-      owner =
-        if config.niksos.server
-        then config.services.matrix-continuwuity.user
-        else "root";
+
+    # NOTE: server things
+    dcbot = mkIf server {
+      file = ./dcbot.age;
+      owner = serviceUser "dcbot"; #
     };
-    cloudflare-acme.file = ./cloudflare-acme.age;
-    mail-admin = {
-      # owner = #FIXME: revert when stopped using docker for stalwart.
-      #   if config.niksos.server
-      #   then serviceUser "stalwart-mail"
-      #   else "root";
+    bread-dcbot = mkIf server {
+      file = ./bread-dcbot.age;
+      owner = "bread-dcbot";
+    };
+    matrix-registration = mkIf server {
+      file = ./matrix-registration.age;
+      owner = abstrServiceUser "matrix-continuwuity";
+    };
+    mail-admin = mkIf server {
+      # owner = serviceUser "stalwart-mail"; #FIXME: revert when stopped using docker for stalwart.
       file = ./mail-admin.age;
     };
+    zitadel-key = mkIf server {
+      file = ./zitadel-key.age;
+      owner = abstrServiceUser "zitadel";
+    };
+    forgejo-mailpass = mkIf server {
+      file = ./forgejo-mailpass.age;
+      owner = abstrServiceUser "forgejo";
+    };
+    immich-oidc = mkIf server {
+      file = ./immich-oidc.age;
+      owner = abstrServiceUser "immich";
+    };
   };
 }
diff --git a/secrets/forgejo-mailpass.age b/secrets/forgejo-mailpass.age
new file mode 100644
index 0000000..eed7f49
--- /dev/null
+++ b/secrets/forgejo-mailpass.age
@@ -0,0 +1,15 @@
+age-encryption.org/v1
+-> ssh-ed25519 GQzYWA j5yj1cq9FbYSW767zObF4RbJ7Jhx0818BryvWGWwnSw
+LelnyL/SIat9BKl4hsz0n6rl8xPgchk+nQmfb1xkXkU
+-> ssh-ed25519 MfR7VA sVGSrPd10dOdnDNROMGW1gLuczlVwMLpymgx6+cCJRE
+8vf0ubRiRUWfc6Mgt0bNq99SgrY4pYJ0f4BHVRn+lYU
+-> ssh-ed25519 +cvRTg VK4bHTmw+Oz7JLdP0zEbfKTjNUBtVxcbHX4zyZrQxx4
+1BjqL4TuNJO8VH9c2MT24ZlGz8ifniUZaK4AkK4VjM4
+-> ssh-ed25519 WCPLrA lD5KmpPXdvmTGMXMhye/ivnkbb0+XRCpUA4i6JBsK2w
+0LKCxV8vSewkNOLJa+xEZp4w+qIRAVezv37g6hExpb0
+-> ssh-ed25519 7/ziYw Yq6qqosp/yOekCO7NBpNTJQVv8NciaSLiDFNuLaOjyA
+8Joor9/H+ExdOQBavTMH13SI9MZgBKQQA2HPxKAF9uU
+-> ssh-ed25519 VQy60Q /+R2djdRbYoWq1GzMFSj+gwXGf085axPJHOa0tIeFTs
+dBVQQ7yucfpbmeR82Fp6MR1/IiQun3bqNVCm9qegL2g
+--- fHjHEH5JtSZnKnJFC/KDQELHDwVsExA5aeuKN7DvL1M
+��AH��?�'�ah�ǒ�����P�>"/�y��R��Ƅ!�I�=��G4�ٺ^iX�}a:
\ No newline at end of file
diff --git a/secrets/immich-oidc.age b/secrets/immich-oidc.age
new file mode 100644
index 0000000..11c301f
--- /dev/null
+++ b/secrets/immich-oidc.age
@@ -0,0 +1,15 @@
+age-encryption.org/v1
+-> ssh-ed25519 GQzYWA MbczMCSPu7pJru1rmOsFuloCYLKlh7koC5drXcKlwiw
+ZghUrcs7YT3ciwqOkrPDEzlZe3qN9ypBw3xRGYWNPaY
+-> ssh-ed25519 MfR7VA KB6RE2QZ//Z6xoyQC502dJeg79rYXFJJdOwV+c6tOWo
+e1zIz2nsV9JbBaadTnONrPLI5Ztyv9vf4Ewzd9uSHnU
+-> ssh-ed25519 +cvRTg GntHLoUwpIrxm3FcVw+Bavaq6kLaZpVdTRLoMMVfpAY
+abE1ZkhS39vylBg8bZ5K3vgnXr70Vbk1bLCKsCFlUvU
+-> ssh-ed25519 WCPLrA +/GlB5CbM/1FwI5JE63DJVUChADjJfD3jJY3Y2KmXEU
+pPqBhV49/wg/hWffFm2XFRGC9p1nQ57tj1YK7pPkQ3U
+-> ssh-ed25519 7/ziYw lxlJVNMIqfoMPj6VGTt2V4PxFi+6WRMfOYcv1hpEMkM
+kd8CI7RECJA5uPJu33D61OEnqWwZuNQ6VmYLqXew6gc
+-> ssh-ed25519 VQy60Q YSgYVPPN7QutKhbv6/1vmoRnh14KXs0g2k9qxKuvQ2U
+FL3fImxWoBeHrCLd+jp/a1oRd/Acgi6sV/g40dCRrTA
+--- TipdjwDPkRxiV/R1FUYCm/tcD6M+XEaZhQjrzwMxiuA
+��E%�ZD��Ts��,�5�
��jL�O��
�z����ﻸT����������_���H���n��*�xQ7$���Cv`W����qt%�N6�5
\ No newline at end of file
diff --git a/secrets/secrets.nix b/secrets/secrets.nix
index 2db3699..df90563 100644
--- a/secrets/secrets.nix
+++ b/secrets/secrets.nix
@@ -18,6 +18,8 @@ in {
   "dcbot.age".publicKeys = keys;
   "bread-dcbot.age".publicKeys = keys;
   "matrix-registration.age".publicKeys = keys;
-  "cloudflare-acme.age".publicKeys = keys;
   "mail-admin.age".publicKeys = keys;
+  "zitadel-key.age".publicKeys = keys;
+  "forgejo-mailpass.age".publicKeys = keys;
+  "immich-oidc.age".publicKeys = keys;
 }
diff --git a/secrets/zitadel-key.age b/secrets/zitadel-key.age
new file mode 100644
index 0000000..f5751e4
--- /dev/null
+++ b/secrets/zitadel-key.age
@@ -0,0 +1,15 @@
+age-encryption.org/v1
+-> ssh-ed25519 GQzYWA YUoGdx518q+GhqnOVeuHxWE4//2KgVTXJCu4ULUkly8
+XIxa/FaGC5XBcrsvhZq5rOgX5vNDfFvcDCsamN7vHJ8
+-> ssh-ed25519 MfR7VA 9btD5WmqZdQ54uJYVNwU3Z5DBIlACbYfqGe1wPZwd30
+QecwT2R+BkQrGmorYcMuXHyy/TG7JjBdH2fp3W9zCBU
+-> ssh-ed25519 +cvRTg UZnkgS+9oRLgEI/vdLFIAPbUG4V5iAuB4Z74D/quXzE
+vxWJZI/SZKH1j8bnI4xC8+TIIANqMOkIDej+BWzDJwE
+-> ssh-ed25519 WCPLrA OVnublQtCOFFo7+vcKGmCY3B3FkvLvQ6GaU7xMx8uQY
+PuMamZqF3vCqgmpcTGQinIdbjOOpHtrmKfOXlL924Rk
+-> ssh-ed25519 7/ziYw nYxpO5kaGDOyGUEFxryEhT0XqWf0Oc1RgprYaPjC33c
+UseYaBeWvetviCf1FHncVNko86ji+GX9AdyDic2A1Og
+-> ssh-ed25519 VQy60Q ok1oP3f7nWBd/6DyJFDnsv/Lb2/bwHY0cvmHI386IFM
+t5rIZBUz5jav6tUo01ASMzYtHoW4+cKBZ2lzmxSI7IA
+--- NZ9UXYlEIcw3VPFqDswXhSecW1zqcCeKivJoHC1zKA8
+�J���qU�0�]D_���Տ��z=�1��׶S�!-.t�="��緿�e�<K�����[
\ No newline at end of file
diff --git a/system/server/default.nix b/system/server/default.nix
index 001c25f..c6ac1c8 100644
--- a/system/server/default.nix
+++ b/system/server/default.nix
@@ -8,8 +8,8 @@
     ./index
     ./mail.nix
     ./matrix.nix
-    ./seafile.nix
     ./temp.nix
+    ./zitadel.nix
   ];
   options.niksos.server = lib.mkEnableOption "server servcies (such as caddy)."; #TODO: per service option.
 }
diff --git a/system/server/forgejo.nix b/system/server/forgejo.nix
index 17086b6..df2c29a 100644
--- a/system/server/forgejo.nix
+++ b/system/server/forgejo.nix
@@ -26,11 +26,32 @@ in {
             ROOT_URL = "https://${DOMAIN}/";
             HTTP_PORT = 9004;
           };
-          service.DISABLE_REGISTRATION = true;
+          service = {
+            ENABLE_INTERNAL_SIGNIN = false;
+            # DISABLE_REGISTRATION = true;
+            ALLOW_ONLY_EXTERNAL_REGISTRATION = true;
+          };
+          oauth2_client = {
+            ENABLE_AUTO_REGISTRATION = true;
+          };
+          "ui.meta" = {
+            AUTHOR = "JSW Git";
+            DESCRIPTION = "Personal GIT-Forgejo instance.";
+          };
           actions = {
             ENABLED = true;
             DEFAULT_ACTIONS_URL = "github";
           };
+          mailer = {
+            ENABLED = true;
+            SUBJECT_PREFIX = "JSWGit";
+            PROTOCOL = "smtps";
+            SMTP_ADDR = "mail.jsw.tf"; #FIXME: replace with config... to stalwart setting once using stalwart nixos module.
+            SMTP_PORT = 465;
+            FROM = "git@jsw.tf";
+            USER = "git";
+            PASSWD_URI = "file:${config.age.secrets.forgejo-mailpass.path}";
+          };
         };
       };
     };
diff --git a/system/server/immich.nix b/system/server/immich.nix
index 216b8d2..3554292 100644
--- a/system/server/immich.nix
+++ b/system/server/immich.nix
@@ -1,61 +1,102 @@
 {
   config,
   lib,
+  pkgs,
   ...
 }: let
+  inherit (lib) mkIf mkForce mkDefault;
+
   cfg = config.niksos.server;
+  oidcSubstitute = "*@#OPENIDCLIENTSECRET#@*";
+  config-dir = "/run/immich-conf";
+  url = "photos.jsw.tf";
+  httpsUrl = "https://" + url;
 in {
-  services.immich = {
-    enable = cfg;
+  config =
+    mkIf cfg
+    {
+      users.users.${config.services.immich.user}.extraGroups = ["video" "render"];
+      services.caddy.virtualHosts.${url}.extraConfig = ''
+        reverse_proxy localhost:9002
+      '';
 
-    port = 9002;
-    machine-learning.enable = false;
+      services.immich = mkIf cfg {
+        enable = true;
 
-    settings = {
-      server.externalDomain = "https://photos.jsw.tf";
-      ffmpeg = {
-        crf = 23;
-        threads = 0;
-        preset = "ultrafast";
-        targetVideoCodec = "h264";
-        acceptedVideoCodecs = [
-          "h264"
+        port = 9002;
+        machine-learning.enable = false;
+
+        accelerationDevices = mkDefault null;
+
+        #NOTE: immich doesn't support variables in their config file, so we have to subsitute ourselfs..
+        environment.IMMICH_CONFIG_FILE = mkForce "${config-dir}/immich.json";
+        settings = {
+          server.externalDomain = httpsUrl;
+          oauth = {
+            enabled = true;
+            autoLaunch = true;
+            autoRegister = true;
+            buttonText = "Login with JSWAuth";
+            clientId = "329735769805619570";
+            clientSecret = oidcSubstitute;
+            issuerUrl = "https://${config.services.zitadel.settings.ExternalDomain}/.well-known/openid-configuration";
+            mobileRedirectUri = "${httpsUrl}/api/oauth/mobile-redirect";
+            mobileOverrideEnabled = true;
+          };
+          passwordLogin.enabled = false;
+          ffmpeg = {
+            crf = 23;
+            threads = 0;
+            preset = "ultrafast";
+            targetVideoCodec = "h264";
+            acceptedVideoCodecs = [
+              "h264"
+            ];
+            targetAudioCodec = "aac";
+            acceptedAudioCodecs = [
+              "aac"
+              "mp3"
+              "libopus"
+              "pcm_s16le"
+            ];
+            acceptedContainers = [
+              "mov"
+              "ogg"
+              "webm"
+            ];
+            targetResolution = "720";
+            maxBitrate = "0";
+            bframes = -1;
+            refs = 0;
+            gopSize = 0;
+            temporalAQ = false;
+            cqMode = "auto";
+            twoPass = false;
+            preferredHwDevice = lib.mkDefault "auto";
+            transcode = "all";
+            tonemap = "hable";
+            accel = lib.mkDefault "vaapi";
+            accelDecode = true;
+          };
+        };
+      };
+
+      systemd = {
+        services.immich-server = {
+          preStart = let
+            refConfig = (pkgs.formats.json {}).generate "immich.json" config.services.immich.settings;
+            newConfig = "${config-dir}/immich.json";
+            replaceSecretBin = "${pkgs.replace-secret}/bin/replace-secret";
+          in ''
+            umask 077
+            cp -f '${refConfig}' '${newConfig}'
+            chmod u+w '${newConfig}'
+            ${replaceSecretBin} '${oidcSubstitute}' '${config.age.secrets.immich-oidc.path}' '${newConfig}'
+          '';
+        };
+        tmpfiles.rules = [
+          "d ${config-dir} 0700 immich immich"
         ];
-        targetAudioCodec = "aac";
-        acceptedAudioCodecs = [
-          "aac"
-          "mp3"
-          "libopus"
-          "pcm_s16le"
-        ];
-        acceptedContainers = [
-          "mov"
-          "ogg"
-          "webm"
-        ];
-        targetResolution = "720";
-        maxBitrate = "0";
-        bframes = -1;
-        refs = 0;
-        gopSize = 0;
-        temporalAQ = false;
-        cqMode = "auto";
-        twoPass = false;
-        preferredHwDevice = lib.mkDefault "auto";
-        transcode = "all";
-        tonemap = "hable";
-        accel = lib.mkDefault "vaapi";
-        accelDecode = true;
       };
     };
-
-    accelerationDevices = lib.mkDefault null;
-  };
-  users.users.immich = lib.mkIf cfg {extraGroups = ["video" "render"];}; #NOTE: was first groups = lib.mkIf.. but then users.immich gets set even when server is disabled.
-
-  services.caddy.virtualHosts."photos.jsw.tf" = {
-    extraConfig = ''
-      reverse_proxy localhost:9002
-    '';
-  };
 }
diff --git a/system/server/seafile.nix b/system/server/seafile.nix
deleted file mode 100644
index ac18412..0000000
--- a/system/server/seafile.nix
+++ /dev/null
@@ -1,49 +0,0 @@
-{
-  config,
-  inputs,
-  pkgs,
-  ...
-}: {
-  services.seafile = {
-    enable = config.niksos.server;
-    seahubPackage = inputs.nixpkgs-stable.legacyPackages.${pkgs.system}.seahub;
-
-    adminEmail = "jurnwubben@gmail.com";
-    initialAdminPassword = "ChangeMeTheFuckNow!";
-
-    gc.enable = true;
-
-    ccnetSettings.General.SERVICE_URL = "https://files.jsw.tf";
-    seahubExtraConf = ''
-      ALLOWED_HOSTS = ['.files.jsw.tf']
-      CSRF_COOKIE_SECURE = True
-      CSRF_COOKIE_SAMESITE = 'Strict'
-      CSRF_TRUSTED_ORIGINS = ['https://files.jsw.tf', 'https://www.files.jsw.tf']
-
-      SITE_NAME = "JSW Cloud"
-      SITE_TITLE = "JSW Cloud"
-    '';
-    seafileSettings = {
-      quota.default = 30;
-      history.keep_days = 40;
-      library_trash.expire_days = 14;
-      fileserver = {
-        host = "unix:/run/seafile/server.sock";
-        web_token_expire_time = 14400; # 4 hours
-        max_download_dir_size = 100000; # 100gb max download size.
-      };
-    };
-  };
-
-  services.caddy.virtualHosts."files.jsw.tf" = {
-    # serverAliases = ["www.share.jsw.tf"];
-    extraConfig = ''
-           handle_path /seafhttp/* {
-      reverse_proxy * unix//run/seafile/server.sock
-           }
-           handle_path /* {
-      reverse_proxy * unix//run/seahub/gunicorn.sock
-           }
-    '';
-  };
-}
diff --git a/system/server/zitadel.nix b/system/server/zitadel.nix
new file mode 100644
index 0000000..7bd32a7
--- /dev/null
+++ b/system/server/zitadel.nix
@@ -0,0 +1,86 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  ExternalDomain = "z.jsw.tf";
+  Port = 9000;
+in {
+  config =
+    lib.mkIf config.niksos.server
+    {
+      services.caddy.virtualHosts.${ExternalDomain}.extraConfig = ''
+        reverse_proxy localhost:${builtins.toString Port}
+      '';
+
+      # services.zitadel = {
+      #   enable = true;
+      #   masterKeyFile = config.age.secrets.zitadel-key.path;
+      #   settings = {
+      #     inherit Port ExternalDomain;
+      #     ExternalPort = 443;
+      #   };
+      #   extraSettingsPaths = [config.age.secrets.zitadel.path];
+      # };
+      systemd.services.zitadel = {
+        requires = ["postgresql.service"];
+        after = ["postgresql.service"];
+      };
+
+      services = {
+        zitadel = {
+          enable = true;
+          masterKeyFile = config.age.secrets.zitadel-key.path;
+          settings = {
+            inherit Port ExternalDomain;
+            ExternalPort = 443;
+            Database.postgres = {
+              Host = "/var/run/postgresql/";
+              Port = 5432;
+              Database = "zitadel";
+              User = {
+                Username = "zitadel";
+                SSL.Mode = "disable";
+              };
+              Admin = {
+                Username = "zitadel";
+                SSL.Mode = "disable";
+                ExistingDatabase = "zitadel";
+              };
+            };
+            ExternalSecure = true;
+          };
+          steps.FirstInstance = {
+            InstanceName = "jsw";
+            Org = {
+              Name = "jsw";
+              Human = {
+                UserName = "jsw@jsw.tf";
+                FirstName = "Jurn";
+                LastName = "Wubben";
+                Email.Verified = true;
+                Password = "Changeme1!";
+                PasswordChangeRequired = true;
+              };
+            };
+            LoginPolicy.AllowRegister = false;
+          };
+          openFirewall = true;
+        };
+
+        postgresql = {
+          enable = true;
+          enableJIT = true;
+          ensureDatabases = ["zitadel"];
+          ensureUsers = [
+            {
+              name = "zitadel";
+              ensureDBOwnership = true;
+              ensureClauses.login = true;
+              ensureClauses.superuser = true;
+            }
+          ];
+        };
+      };
+    };
+}