public async Task <ActionResult> Post(Customer customer)
        {
            _logger.LogInformation($"Customers /POST");

            customer.CreatedAt = DateTimeOffset.UtcNow;

            using var db = new EvtContext();
            db.Add(customer);
            await db.SaveChangesAsync();

            return(CreatedAtAction(nameof(Get), customer.CustomerId));
        }
        public async Task <ActionResult> Post(Product product)
        {
            this._logger.LogInformation($"Products /POST");

            product.CreatedAt = DateTimeOffset.UtcNow;

            using var db = new EvtContext();
            db.Add(product);
            await db.SaveChangesAsync();

            return(CreatedAtAction(nameof(Get), product.ProductId));
        }