Use http method in route pattern

main.go

@@ -38,7 +38,7 @@ func init() {
 
 func main() {
 	mux := http.NewServeMux()
-	mux.HandleFunc("/", handler.Handler)
+	mux.HandleFunc("POST /", handler.Handler)
 
 	server := &http.Server{
 		Addr:              fmt.Sprintf(":%d", port),

pkg/handler/handler.go

@@ -19,11 +19,6 @@ import (
 )
 
 func Handler(w http.ResponseWriter, req *http.Request) {
-	// only accept POST requests
-	if req.Method != http.MethodPost {
-		utils.SendResponse(nil, "only POST is allowed", w)
-		return
-	}
 
 	// read request body
 	requestBody, err := io.ReadAll(req.Body)