Add other services

services/postgresql/default.nix

@@ -0,0 +1,39 @@
+{ lib, config, pkgs, ... }:
+let
+  cfg = config.services.vm_postgresql;
+in
+{
+  options.services.vm_postgresql = {
+    enable = lib.mkEnableOption "Enable minimal config";
+  };
+  config = lib.mkIf cfg.enable {
+    services.postgresql = {
+      enable = true;
+      enableTCPIP = true;
+      settings.port = 5432;
+      ensureDatabases = [ "gitea" "nextcloud" ];
+      ensureUsers = [
+        {
+          name = "gitea";
+          ensureDBOwnership = true;
+        }
+        {
+          name = "nextcloud";
+          ensureDBOwnership = true;
+        }
+      ];
+      authentication = pkgs.lib.mkOverride 10 ''
+        #type database   user        origin-address    auth-method
+        # IPv4 local connections:
+        local all        all                           trust
+        host  gitea      gitea       192.168.122.3/24  trust
+        host  nextcloud  nextcloud   192.168.122.7/24  trust
+      '';
+      initialScript = pkgs.writeText "init-sql-script" ''
+        alter user gitea with password 'gitea';
+        alter user nextcloud with password 'nextcloud';
+      '';
+    };
+    networking.firewall.allowedTCPPorts = [ 5432 ];
+  };
+}