change nextcloud to mariadb

utils/modules/nextcloud/default.nix

@@ -16,7 +16,12 @@
       inherit contacts calendar tasks;
     };
     extraAppsEnable = true;
-    config.adminpassFile = config.sops.secrets.nextcloud-adminpass.path;
+
+    config = {
+      adminpassFile = config.sops.secrets.nextcloud-adminpass.path;
+      dbtype = "mysql";
+      dbhost = "/run/mysqld/mysqld.sock";
+    };
   };
 
   services.nginx.virtualHosts.${config.services.nextcloud.hostName} = {
@@ -24,4 +29,16 @@
     enableACME = true;
     acmeRoot = null;
   };
+
+  config.services.mysql.ensureUsers = [
+    {
+      name = "nextcloud";
+      ensurePermissions = {
+        "nextcloud.*" = "ALL PRIVILEGES";
+      };
+    }
+  ];
+
+  config.services.mysql.ensureDatabases = [ "nextcloud" ];
+  config.services.mysqlBackup.databases = [ "nextcloud" ];
 }