feat: massive refactoring...

config/grocy-grocy.nix

@@ -0,0 +1,26 @@
+{
+  config,
+  tools,
+  pkgs,
+  ...
+}:
+let
+  lib = pkgs.lib;
+in
+{
+  services.grocy = {
+    enable = true;
+    hostName = tools.build_hostname "grocy";
+    settings = {
+      calendar.firstDayOfWeek = 1;
+      culture = config.globals.country_code;
+      currency = config.globals.currency;
+    };
+    nginx.enableSSL = false;
+  };
+  environment.etc."grocy/config.php".text = lib.mkAfter ''
+    // Arbitrary PHP code in grocy's configuration file
+    Setting('AUTH_CLASS', 'Grocy\Middleware\ReverseProxyAuthMiddleware');
+    Setting('REVERSE_PROXY_AUTH_HEADER', 'REMOTE_USER');
+  '';
+}