fix(nixos): source homepage location from secrets

configs/nixos/guests/homepage.nix

@@ -5,6 +5,7 @@
 }:
 let
   cfg = config.guests.homepage;
+  environmentFile = "/run/secrets/homepage.env";
 in
 {
   config = lib.mkIf cfg.enable {
@@ -12,6 +13,12 @@ in
       interior.modules.services.homepage = {
         enable = true;
         hostName = config.networking.hostName;
+        inherit environmentFile;
+      };
+
+      mounts.${environmentFile} = {
+        file = config.sops.templates."homepage.env".path;
+        readOnly = true;
       };
 
       limits = {
@@ -20,5 +27,17 @@ in
         tasksMax = lib.mkDefault 256;
       };
     };
+
+    sops.secrets = {
+      "services/metadata/latitude" = { };
+      "services/metadata/longitude" = { };
+    };
+
+    sops.templates."homepage.env" = {
+      content = ''
+        HOMEPAGE_VAR_LATITUDE=${config.sops.placeholder."services/metadata/latitude"}
+        HOMEPAGE_VAR_LONGITUDE=${config.sops.placeholder."services/metadata/longitude"}
+      '';
+    };
   };
 }