many changes and more modularizing

hosts/fw/modules/podman.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }: 
+{ config, pkgs, ... }: 
 let
   cids = import ../modules/staticids.nix;
   json = pkgs.formats.json { };
@@ -20,7 +20,7 @@ in {
   users.groups.podman.gid = cids.gids.podman;
   virtualisation = {
     # containers.containersConf.settings = {
-    #   containers.dns_servers = [ "10.42.97.1" ];
+    #   containers.dns_servers = [ "${config.networkPrefix}.97.1" ];
     # };
     podman = {
       enable = true;
@@ -42,8 +42,8 @@ in {
       dns_enabled = false;
       subnets = [
         {
-          subnet = "10.42.97.0/24";
-          gateway = "10.42.97.1";
+          subnet = "${config.networkPrefix}.97.0/24";
+          gateway = "${config.networkPrefix}.97.1";
         }
       ];
       ipam_options = {