refactor folder structure

hosts/fw/modules/podman.nix

@@ -0,0 +1,77 @@
+{ pkgs, ... }: 
+let
+  cids = import ../modules/staticids.nix;
+  json = pkgs.formats.json { };
+
+  update-containers = pkgs.writeShellScriptBin "update-containers" ''
+    SUDO=""
+    if [[ $(id -u) -ne 0 ]]; then
+      SUDO="sudo"
+    fi
+
+      images=$($SUDO ${pkgs.podman}/bin/podman ps -a --format="{{.Image}}" | sort -u)
+
+      for image in $images
+      do
+        $SUDO ${pkgs.podman}/bin/podman pull $image
+      done
+  '';
+in {
+  users.groups.podman.gid = cids.gids.podman;
+  virtualisation = {
+    # containers.containersConf.settings = {
+    #   containers.dns_servers = [ "10.42.97.1" ];
+    # };
+    podman = {
+      enable = true;
+      dockerCompat = true;
+      # defaultNetwork.settings = {
+      #   dns_enabled = true; # Enable DNS resolution in the podman network.
+      # };
+    };
+  };
+
+  environment.etc."containers/networks/server.json" = {
+    source = json.generate "server.json" ({
+      name = "server";
+      id = "d3a55d6bcc28571c124b4e65cdf1831339045d296858f79e7130fa70da9c0904";
+      driver = "bridge";
+      network_interface = "server";
+      ipv6_enabled = false;
+      internal = false;
+      dns_enabled = false;
+      subnets = [
+        {
+          subnet = "10.42.97.0/24";
+          gateway = "10.42.97.1";
+        }
+      ];
+      ipam_options = {
+        driver = "host-local";
+      };
+    });
+  };
+
+  systemd.timers = {
+    # ...
+    updatecontainers = {
+      timerConfig = {
+        Unit = "updatecontainers.service";
+        OnCalendar = "02:00";
+      };
+      wantedBy = [ "timers.target" ];
+    };
+    # ...
+  };
+
+  systemd.services = {
+    # ...
+    updatecontainers = {
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${update-containers}/bin/update-containers";
+      };
+    };
+    # ...
+  };
+}