feat: add metrics exporters for Dovecot and Postfix, update Signal execution command, and improve configuration management

hosts/mail/configuration.nix

@@ -13,7 +13,7 @@
 
     ./utils/modules/borgbackup.nix
     ./utils/modules/promtail
-    ./utils/modules/victoriametrics
+    ./modules/metrics
     ./modules/set-nix-channel.nix # Automatically manage nix-channel from /var/bento/channel
 
     ./hardware-configuration.nix

hosts/mail/modules/metrics/default.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+{
+  imports = [
+    ../../utils/modules/victoriametrics/default.nix
+    ./postfix-exporter.nix
+    ./dovecot-exporter.nix
+  ];
+}

hosts/mail/modules/metrics/dovecot-exporter.nix

@@ -0,0 +1,15 @@
+{ config, pkgs, lib, ... }:
+
+{
+  services.prometheus.exporters.dovecot = {
+    enable = true;
+  };
+
+  services.victoriametrics.extraScrapeConfigs = [
+    ''
+      - job_name: "dovecot-exporter"
+        static_configs:
+        - targets: ['localhost:9166']
+    ''
+  ];
+}

hosts/mail/modules/metrics/postfix-exporter.nix

@@ -0,0 +1,16 @@
+{ config, pkgs, lib, ... }:
+
+{
+
+  services.prometheus.exporters.postfix = {
+    enable = true;
+  };
+  
+  services.victoriametrics.extraScrapeConfigs = [
+    ''
+      - job_name: "postfix-exporter"
+        static_configs:
+        - targets: ['localhost:9154']
+    ''
+  ];
+}

hosts/nb/modules/desktop/signal-work.nix

@@ -6,7 +6,7 @@ let
     name = "signal-work";
     desktopName = "Signal with work profile";
     icon = "signal-desktop";
-    exec = "SIGNAL_USE_HARDWARE_ACCELERATION=1 signal-desktop --enable-dev-tools --enable-features=VaapiVideoDecoder --user-data-dir=/home/dominik/.config/Signal-work -- %u";
+    exec = "signal-desktop --enable-dev-tools --enable-features=VaapiVideoDecoder --user-data-dir=/home/dominik/.config/Signal-work -- %u";
   };
 in {
   environment.systemPackages = [ 

hosts/nb/users/configs/project_history

@@ -8,6 +8,7 @@
 /home/dominik/projects/cloonar/cloonar-assistant
 /home/dominik/projects/cloonar/cloonar-assistant-customers
 /home/dominik/projects/cloonar/updns
+/home/dominik/projects/cloonar/mcp-servers-nix
 
 /home/dominik/projects/cloonar/flow/flow-docs
 /home/dominik/projects/cloonar/flow/flow-user-service

hosts/nb/users/dominik.nix

@@ -604,6 +604,7 @@ in
       git clone gitea@git.cloonar.com:Cloonar/cloonar-assistant.git ${persistHome}/projects/cloonar/cloonar-assistant 2>/dev/null
       git clone gitea@git.cloonar.com:Cloonar/cloonar-assistant-customers.git ${persistHome}/projects/cloonar/cloonar-assistant-customers 2>/dev/null
       git clone gitea@git.cloonar.com:Cloonar/updns.git ${persistHome}/projects/cloonar/updns 2>/dev/null
+      git clone git@github.com:dpolakovics/mcp-servers-nix.git ${persistHome}/cloonar/mcp-servers-nix 2>/dev/null
 
       git clone gitea@git.cloonar.com:Cloonar/flow-docs.git ${persistHome}/projects/cloonar/flow/flow-docs 2>/dev/null
       git clone gitea@git.cloonar.com:Cloonar/flow-user-service.git ${persistHome}/projects/cloonar/flow/flow-user-service 2>/dev/null