chore: parametrize port and prometheus #181

main.go

@@ -48,15 +48,20 @@ func run(ctx context.Context, env func(string) string) {
 	utils.MustRunMigrations(db, "")
 
 	// init servers
-	prometheusServer := &http.Server{
-		Addr:    ":8081",
-		Handler: promhttp.Handler(),
+
+	var prometheusServer *http.Server
+	if serverSettings.PrometheusEnabled {
+		prometheusServer := &http.Server{
+			Addr:    ":8081",
+			Handler: promhttp.Handler(),
+		}
+		go startServer(prometheusServer)
 	}
+
 	httpServer := &http.Server{
-		Addr:    ":8080",
+		Addr:    ":" + serverSettings.Port,
 		Handler: handler.GetHandler(db, serverSettings),
 	}
-	go startServer(prometheusServer)
 	go startServer(httpServer)
 
 	// graceful shutdown
@@ -76,6 +81,10 @@ func startServer(s *http.Server) {
 
 func shutdownServer(s *http.Server, ctx context.Context, wg *sync.WaitGroup) {
 	defer wg.Done()
+	if s == nil {
+		return
+	}
+
 	<-ctx.Done()
 	shutdownCtx := context.Background()
 	shutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)