diff --git a/containers/amethyst/flake.nix b/containers/amethyst/flake.nix
index 4865e29..5b9817e 100644
--- a/containers/amethyst/flake.nix
+++ b/containers/amethyst/flake.nix
@@ -9,6 +9,7 @@
     nixosModule = { ... }:
     let
       name = "amethyst";
+      fqdn = "amethyst.lava.moe";
       subnet = "1";
     in {
       networking.nat = {
@@ -17,7 +18,7 @@
         internalInterfaces = [ "ve-${name}" ];
       };
 
-      services.nginx.virtualHosts."${name}.local.lava.moe" = {
+      services.nginx.virtualHosts."${fqdn}" = {
         useACMEHost = "lava.moe";
         forceSSL = true;
         locations."/".proxyPass = "http://[fd0d:1::${subnet}:2]:9091";
diff --git a/containers/beryllium/flake.nix b/containers/beryllium/flake.nix
index adab4f0..c6b6cae 100644
--- a/containers/beryllium/flake.nix
+++ b/containers/beryllium/flake.nix
@@ -9,6 +9,7 @@
     nixosModule = { ... }:
     let
       name = "beryllium";
+      fqdn = "beryllium.lava.moe";
       subnet = "2";
     in {
       networking.nat = {
@@ -17,7 +18,7 @@
         internalInterfaces = [ "ve-${name}" ];
       };
 
-      services.nginx.virtualHosts."${name}.lava.moe" = {
+      services.nginx.virtualHosts."${fqdn}" = {
         useACMEHost = "lava.moe";
         forceSSL = true;
         locations."/".extraConfig = "return 302 'https://lava.moe';";
@@ -29,7 +30,7 @@
       services.nginx.virtualHosts."lava.moe" = {
         locations."= /.well-known/matrix/server".extraConfig =
           let
-            server = { "m.server" = "beryllium.lava.moe:443"; };
+            server = { "m.server" = "${fqdn}:443"; };
           in ''
             add_header Content-Type application/json;
             return 200 '${builtins.toJSON server}';
@@ -37,7 +38,7 @@
         locations."= /.well-known/matrix/client".extraConfig =
           let
             client = {
-              "m.homeserver" = { "base_url" = "https://beryllium.lava.moe"; };
+              "m.homeserver" = { "base_url" = "https://${fqdn}"; };
               # "m.identity_server" = { "base_url" = "https://vector.im"; };
             };
           in ''
@@ -51,8 +52,6 @@
       containers.${name} = {
         autoStart = true;
         privateNetwork = true;
-        hostAddress = "10.30.${subnet}.1";
-        localAddress = "10.30.${subnet}.2";
         hostAddress6 = "fd0d:1::${subnet}:1";
         localAddress6 = "fd0d:1::${subnet}:2";
         # privateUsers = "pick";
diff --git a/containers/citrine/configuration.nix b/containers/citrine/configuration.nix
index 05a099a..996ffb2 100644
--- a/containers/citrine/configuration.nix
+++ b/containers/citrine/configuration.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }: {
+{ config, fqdn, lib, ... }: {
   system.stateVersion = "25.11";
   networking.firewall.allowedTCPPorts = [ 22 3000 ];
   networking.firewall.allowedUDPPorts = [ 22 3000 ];
@@ -13,8 +13,8 @@
     settings = {
       DEFAULT.APP_NAME = "Garden";
       server = {
-        DOMAIN = "garden.lava.moe";
-        ROOT_URL = "https://garden.lava.moe/";
+        DOMAIN = fqdn;
+        ROOT_URL = "https://${fqdn}/";
         HTTP_PORT = 3000;
         START_SSH_SERVER = true;
         BUILTIN_SSH_SERVER_USER = "git";
diff --git a/containers/citrine/flake.nix b/containers/citrine/flake.nix
index 17eef3e..5673c9e 100644
--- a/containers/citrine/flake.nix
+++ b/containers/citrine/flake.nix
@@ -6,6 +6,7 @@
   outputs = { nixpkgs, catppuccin, ... }:
   let
     name = "citrine";
+    fqdn = "garden.lava.moe";
     subnetId = "3";
 
     subnet = x: "fd0d:1::${subnetId}:${toString x}";
@@ -35,7 +36,7 @@
         internalInterfaces = [ "ve-${name}" ];
       };
 
-      services.nginx.virtualHosts."garden.lava.moe" = {
+      services.nginx.virtualHosts."${fqdn}" = {
         useACMEHost = "lava.moe";
         forceSSL = true;
         locations."/".proxyPass = "http://[${client}]:3000";
@@ -53,6 +54,7 @@
         nixpkgs = nixpkgs;
         ephemeral = true;
         config = { imports = modules; };
+        specialArgs = { inherit fqdn; };
 
         bindMounts."persist" = {
           hostPath = "/persist/containers/${name}";
diff --git a/containers/diamond/configuration.nix b/containers/diamond/configuration.nix
index 60a98d0..c002e08 100644
--- a/containers/diamond/configuration.nix
+++ b/containers/diamond/configuration.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }: {
+{ fqdn, ... }: {
   system.stateVersion = "25.11";
   systemd.tmpfiles.rules = [
     "d /persist/vaultwarden 755 vaultwarden vaultwarden"
@@ -13,6 +13,6 @@
 
   services.vaultwarden = {
     enable = true;
-    domain = "diamond.local.lava.moe";
+    domain = fqdn;
   };
 }
diff --git a/containers/diamond/flake.nix b/containers/diamond/flake.nix
index d22af24..f64f4f9 100644
--- a/containers/diamond/flake.nix
+++ b/containers/diamond/flake.nix
@@ -5,6 +5,7 @@
   outputs = { nixpkgs, ... }:
   let
     name = "diamond";
+    fqdn = "astransia.lava.moe";
     subnetId = "4";
 
     subnet = x: "fd0d:1::${subnetId}:${toString x}";
@@ -19,7 +20,7 @@
       inherit modules;
     };
     nixosModule = { ... }: {
-      services.nginx.virtualHosts."diamond.local.lava.moe" = {
+      services.nginx.virtualHosts."${fqdn}" = {
         useACMEHost = "lava.moe";
         forceSSL = true;
         locations."/".proxyPass = "http://[${client}]:8000";
@@ -35,6 +36,7 @@
         nixpkgs = nixpkgs;
         ephemeral = true;
         config = { imports = modules; };
+        specialArgs = { inherit fqdn; };
 
         bindMounts."persist" = {
           hostPath = "/persist/containers/${name}";