[+] create branch mika

storage/storage.go

@@ -30,6 +30,9 @@ func NewStorage(cfg *viper.Viper) (Storage, error) {
 	case "mongodb":
 		s, err := NewMongoDBStorage(cfg)
 		return s, err
+	case "psql":
+		s, err := NewPostgresqlStorage(cfg)
+		return s, err
 	default:
 		return nil, fmt.Errorf("storage type %v is not supported", storage_type)
 	}