feat: increased security

internal/db/redis.go

@@ -2,32 +2,27 @@ package db
 
 import (
 	"context"
-	"log"
+	"fmt"
 	"time"
 
 	"example.com/m/internal/config"
 	"github.com/redis/go-redis/v9"
 )
 
-var Redis *redis.Client
-
 func InitRedis(cfg *config.Config) (*redis.Client, error) {
 	opt, err := redis.ParseURL(cfg.RedisURL)
-
 	if err != nil {
-		log.Fatalf("impossible to parse redis url: %v", err)
-		return nil, err
+		return nil, fmt.Errorf("failed to parse redis url: %w", err)
 	}
 
-	Redis = redis.NewClient(opt)
+	client := redis.NewClient(opt)
 
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
-	if err := Redis.Ping(ctx).Err(); err != nil {
-		log.Fatalf("impossible to conenct to redis db: %v", err)
-		return nil, err
+	if err := client.Ping(ctx).Err(); err != nil {
+		return nil, fmt.Errorf("failed to connect to redis: %w", err)
 	}
 
-	return Redis, nil
+	return client, nil
 }