refactor: refactoring of code

Add graceful shutdown server

internal/redis.go

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 Jonas Kaninda
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package pkg
+
+import (
+	"github.com/jkaninda/goma-gateway/internal/middlewares"
+	"github.com/jkaninda/goma-gateway/pkg/logger"
+)
+
+func (gatewayServer GatewayServer) initRedis() error {
+	if gatewayServer.gateway.Redis.Addr == "" {
+		return nil
+	}
+	logger.Info("Initializing Redis...")
+	middlewares.InitRedis(gatewayServer.gateway.Redis.Addr, gatewayServer.gateway.Redis.Password)
+	return nil
+}
+
+func (gatewayServer GatewayServer) closeRedis() {
+	if middlewares.Rdb != nil {
+		if err := middlewares.Rdb.Close(); err != nil {
+			logger.Error("Error closing Redis: %v", err)
+		}
+	}
+}