Makes /healthz accept HEAD requests

Author: cuducos

api/api.go

@@ -122,7 +122,7 @@ func (app *api) updatedHandler(w http.ResponseWriter, r *http.Request) {
 }
 
 func (app *api) healthHandler(w http.ResponseWriter, r *http.Request) {
-	if r.Method != http.MethodGet {
+	if r.Method != http.MethodHead && r.Method != http.MethodGet {
 		app.messageResponse(w, http.StatusMethodNotAllowed, "Essa URL aceita apenas o método GET.")
 		return
 	}

api/api_test.go

@@ -157,8 +157,8 @@ func TestHealthHandler(t *testing.T) {
 		},
 		{
 			http.MethodHead,
-			http.StatusMethodNotAllowed,
-			`{"message":"Essa URL aceita apenas o método GET."}`,
+			http.StatusOK,
+			"",
 		},
 	}