create own library for globals and net.nix

my-lib/default.nix

@@ -0,0 +1,4 @@
+lib: {
+  net = import ./net.nix lib;
+  globals = import ./globals.nix;
+}

my-lib/globals.nix

@@ -0,0 +1,24 @@
+{
+  networking = {
+    public = {
+      ipv4.router = "192.145.57.90";
+      ipv6.router = "2a0d:6e00:1a77::1";
+    };
+
+    dmz = {
+      ipv4 = {
+        prefixLength = "24";
+        dockerSwarm = "192.168.30.8";
+        router = "192.168.30.1";
+        services = "192.168.30.7";
+      };
+
+      ipv6 = {
+        prefixLength = "64";
+        dockerSwarm = "2a0d:6e00:1a77:30:c8fe:c0ff:feff:ee08";
+        router = "2a0d:6e00:1a77:30::1";
+        services = "2a0d:6e00:1a77:30::7";
+      };
+    };
+  };
+}