new payment methods service

api/payments/methods/internal/server/internal/lifecycle.go

@@ -0,0 +1,16 @@
+package serverimp
+
+import "context"
+
+func (i *Imp) shutdownApp() {
+	if i == nil || i.app == nil {
+		return
+	}
+
+	timeout := i.config.Runtime.ShutdownTimeout()
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	i.app.Shutdown(ctx)
+	i.app = nil
+}