From 243b719ae2fe25043be338170ca2c196536643c3 Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>
Date: Wed, 30 Jul 2025 10:04:15 -0300
Subject: [PATCH] feat: support HEAD request (#7)

---
 main.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index 564caa4fc2e5fb628e7f973682bd8dbd2077d7eb..7da125f8c74f215030c16c2df6355baec38d7cc2 100644
--- a/main.go
+++ b/main.go
@@ -22,6 +22,11 @@ var counter = promauto.NewCounter(prometheus.CounterOpts{
 })
 
 func providersHandler(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	if r.Method == http.MethodHead {
+		return
+	}
+
 	if r.Method != http.MethodGet {
 		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
 		return
@@ -29,7 +34,6 @@ func providersHandler(w http.ResponseWriter, r *http.Request) {
 
 	counter.Inc()
 	allProviders := providers.GetAll()
-	w.Header().Set("Content-Type", "application/json")
 	if err := json.NewEncoder(w).Encode(allProviders); err != nil {
 		http.Error(w, "Internal server error", http.StatusInternalServerError)
 		return