chore(storage): storage performance issues (#500)

* chore(storage): storage performance issues

1. close storage connection before shutdown the service
2. update windows image

https://github.com/appleboy/gorush/issues/393

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

storage/memory/memory.go

@@ -40,6 +40,11 @@ func (s *Storage) Init() error {
 	return nil
 }
 
+// Close the storage connection
+func (s *Storage) Close() error {
+	return nil
+}
+
 // Reset Client storage.
 func (s *Storage) Reset() {
 	atomic.StoreInt64(&s.stat.TotalCount, 0)

storage/memory/memory_test.go

@@ -41,4 +41,6 @@ func TestMemoryEngine(t *testing.T) {
 	memory.Reset()
 	val = memory.GetTotalCount()
 	assert.Equal(t, int64(0), val)
+
+	assert.NoError(t, memory.Close())
 }