Add sops-nix templates

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/elara/users/nikara/configs/console/podman/default.nix

@@ -2,11 +2,29 @@
   user ? throw "user argument is required",
   home ? throw "home argument is required",
 }:
-{ lib, ... }:
 {
-  home-manager.users.${user}.sops.secrets = {
-    "registry" = {
-      sopsFile = ../../../../../../../secrets/sas/secrets.yaml;
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  hmConfig = config.home-manager.users.${user};
+in
+{
+  home-manager.users.${user}.sops = {
+    secrets."registry/cr.sas.com".sopsFile = ../../../../../../../secrets/sas/secrets.yaml;
+
+    templates."containers-auth.json" = {
+      content = builtins.readFile (
+        (pkgs.formats.json { }).generate "auth.json" {
+          auths = {
+            "cr.sas.com" = {
+              auth = hmConfig.sops.placeholder."registry/cr.sas.com";
+            };
+          };
+        }
+      );
       path = "${home}/.config/containers/auth.json";
     };
   };