From b405df26013d1bd81d0778c75374e340a9a620d4 Mon Sep 17 00:00:00 2001
From: Gustav Behm <me@rootmos.io>
Date: Sun, 21 Jul 2024 06:46:20 +0200
Subject: [PATCH] Respond with 204 on HEAD / requests

---
 http/http.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/http/http.go b/http/http.go
index d0a1838a..e33ddea5 100644
--- a/http/http.go
+++ b/http/http.go
@@ -269,6 +269,12 @@ func (s *Server) HealthHandler(w http.ResponseWriter, r *http.Request) *appError
 	return nil
 }
 
+func (s *Server) HeadHandler(w http.ResponseWriter, r *http.Request) *appError {
+	return &appError{
+		Code: http.StatusNoContent,
+	}
+}
+
 func (s *Server) PortHandler(w http.ResponseWriter, r *http.Request) *appError {
 	response, err := s.newPortResponse(r)
 	if err != nil {
@@ -426,6 +432,9 @@ func (s *Server) Handler() http.Handler {
 	// Health
 	r.Route("GET", "/health", s.HealthHandler)
 
+	// Health
+	r.Route("HEAD", "/", s.HeadHandler)
+
 	// JSON
 	r.Route("GET", "/", s.JSONHandler).Header("Accept", jsonMediaType)
 	r.Route("GET", "/json", s.JSONHandler)