feat: .env.example

backend/internal/adapter/rediscache/cache.go

@@ -17,13 +17,13 @@ type Cache struct {
 	prefix string
 }
 
-func New(ctx context.Context, addr, password string, db int) (*Cache, error) {
+func New(ctx context.Context, addr, password string, db int, keyPrefix string) (*Cache, error) {
 	rdb := redis.NewClient(&redis.Options{Addr: addr, Password: password, DB: db})
 	if err := rdb.Ping(ctx).Err(); err != nil {
 		_ = rdb.Close()
 		return nil, err
 	}
-	return &Cache{rdb: rdb, prefix: "code:"}, nil
+	return &Cache{rdb: rdb, prefix: keyPrefix + "code:"}, nil
 }
 
 func (c *Cache) key(code string) string { return c.prefix + code }