More individualizing. Pretty cool

modules/system/services/server/nginx/default.nix

@@ -22,7 +22,5 @@
       80
       443
     ];
-
-    environment.persistence."/persist".directories = [ "/var/www" ];
   };
 }

modules/system/services/server/nginx/rtmp/default.nix

@@ -2,9 +2,9 @@
 {
   config = lib.mkIf config.services.webserver.enable {
     services.nginx = {
-      package = (pkgs.nginx.override {
+      package = pkgs.nginx.override {
         modules = with pkgs.nginxModules; [ rtmp ];
-      });
+      };
       appendConfig = ''
         rtmp {
           server {

modules/system/services/server/nginx/virtualhosts/default.nix

@@ -1,7 +1,9 @@
-{ ... }:
+{ config, lib, ... }:
 {
   imports = [
     ./files
     ./nixfox
   ];
+
+  environment.persistence."/persist".directories = lib.mkIf config.services.webserver.enable [ "/var/www" ];
 }