From 68a5d13751674127b38dacc164a5ed8f638d44d2 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Thu, 16 Apr 2026 00:22:04 +0100
Subject: klaus: Pass more headers in from the nginx reverse proxy.

---
 guix/forge/klaus.scm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/guix/forge/klaus.scm b/guix/forge/klaus.scm
index c180e46..cb5815d 100644
--- a/guix/forge/klaus.scm
+++ b/guix/forge/klaus.scm
@@ -105,9 +105,17 @@
     (list (nginx-server-configuration
            (server-name (list server-name))
            (locations
+            ;; Based on
+            ;; https://github.com/jonashaag/klaus/wiki/Klaus-behind-a-reverse-proxy#nginx-example
             (list (nginx-location-configuration
                    (uri "/")
-                   (body (list (socket->nginx-proxy-pass socket))))))))))
+                   (body (list (socket->nginx-proxy-pass socket)
+                               ;; Pass in the header fields of the original
+                               ;; request.
+                               "proxy_pass_request_headers on;"
+                               ;; Let klaus know which domain the request was
+                               ;; received for.
+                               "proxy_set_header Host $host;")))))))))
 
 (define klaus-service-type
   (service-type
-- 
cgit 1.4.1