From 533f67e14bf066d34157f28284bc33f0b05cd0c6 Mon Sep 17 00:00:00 2001
From: SebastianStork <sebastian.stork@pm.me>
Date: Wed, 27 Aug 2025 21:03:53 +0200
Subject: [PATCH] caddy: Fix `extraReverseProxyConfig` option

---
 modules/system/services/caddy.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/modules/system/services/caddy.nix b/modules/system/services/caddy.nix
index 475e369..4057801 100644
--- a/modules/system/services/caddy.nix
+++ b/modules/system/services/caddy.nix
@@ -23,12 +23,19 @@ let
   getSubdomain = domain: domain |> lib.splitString "." |> lib.head;
 
   mkVirtualHostConfig =
-    { domain, port, ... }:
+    {
+      domain,
+      port,
+      extraReverseProxyConfig,
+      ...
+    }:
     {
       logFormat = "output file ${config.services.caddy.logDir}/access-${domain}.log { mode 640 }";
       extraConfig = ''
         ${lib.optionalString (isTailscaleDomain domain) "bind tailscale/${getSubdomain domain}"}
-        reverse_proxy localhost:${builtins.toString port}
+        reverse_proxy localhost:${builtins.toString port} ${
+          lib.optionalString (extraReverseProxyConfig != "") "{ ${extraReverseProxyConfig} }"
+        }
       '';
     };