feat(services): add dedicated PostgreSQL module

Introduce a dedicated PostgreSQL configuration module to the system. Adjust Nextcloud and Forgejo configurations to utilize this new module.

systems/x86_64-linux/mx/default.nix

@@ -1,19 +1,20 @@
 { pkgs, lib, ... }:
 {
   imports = [
-    ./hardware-configuration.nix
-    ./rspamd.nix
     # ./goaccess.nix
-    ./nextcloud.nix
+    ./acme.nix
     ./backup.nix
-    ./users.nix
+    ./coturn.nix
+    ./forgejo.nix
+    ./hardware-configuration.nix
     ./kicker.nix
     ./mailserver.nix
-    ./acme.nix
-    ./forgejo.nix
-    ./nginx.nix
     ./network.nix
-    ./coturn.nix
+    ./nextcloud.nix
+    ./nginx.nix
+    ./postgresql.nix
+    ./rspamd.nix
+    ./users.nix
   ];
 
   metacfg = {

systems/x86_64-linux/mx/forgejo.nix

@@ -34,24 +34,6 @@
 
   users.groups.gitea = { };
 
-  services.postgresql = {
-    package = pkgs.postgresql_14;
-    ensureDatabases = [
-      config.services.forgejo.database.name
-      "nextcloud"
-    ];
-    ensureUsers = [
-      {
-        name = config.services.forgejo.database.user;
-        ensureDBOwnership = true;
-      }
-      {
-        name = "nextcloud";
-        ensureDBOwnership = true;
-      }
-    ];
-  };
-
   sops.secrets."forgejo-runner-token" = {
     sopsFile = ../../../.secrets/hetzner/forgejo-runner-token.yaml; # bring your own password file
   };

systems/x86_64-linux/mx/nextcloud.nix

@@ -5,6 +5,7 @@
   environment.systemPackages = with pkgs; [ ffmpeg ];
 
   environment.etc."nextcloud-admin-pass".text = "test123";
+
   services.nextcloud = {
     enable = true;
     package = pkgs.nextcloud30;
@@ -44,4 +45,16 @@
       "OC\\Preview\\XBitmap"
     ];
   };
+
+  services.postgresql = {
+    ensureDatabases = [
+      "nextcloud"
+    ];
+    ensureUsers = [
+      {
+        name = "nextcloud";
+        ensureDBOwnership = true;
+      }
+    ];
+  };
 }

systems/x86_64-linux/mx/postgresql.nix

@@ -0,0 +1,6 @@
+{ pkgs, lib, config, ... }:
+{
+  services.postgresql = {
+    package = pkgs.postgresql_14;
+  };
+}