migrate infra to terranix

infra/flake-module.nix

@@ -1,7 +1,28 @@
+{ self, ... }:
 {
+  perSystem =
+    { pkgs, ... }:
+    {
+      terranix.terranixConfigurations.infra = {
+        terraformWrapper.package = pkgs.opentofu.withPlugins (p: [
+          p.hashicorp_external
+          p.hetznercloud_hcloud
+        ]);
+
+        extraArgs = { inherit (self) infra; };
+        modules = [
+          ./base.nix
+          ./dns.nix
+          ./mail.nix
+          ./radicle.nix
+          ./web.nix
+        ];
+      };
+    };
+
   flake.infra =
     let
-      tf_outputs = builtins.fromJSON (builtins.readFile ../infra/outputs.json);
+      tf_outputs = builtins.fromJSON (builtins.readFile ./outputs.json);
     in
     {
       machines = {
@@ -12,6 +33,7 @@
         };
         crocus = {
           ipv4 = tf_outputs.crocus_ipv4.value;
+          ipv6 = "2a01:4f8:1c1e:e415::1";
         };
       };
     };