public ActionResult <Customer> GetCustomerById(int id)
{
var customer = _repo.FindById(id);
if (customer.Result == null)
{
_logger.LogError($"Customer with id: {id}, hasn't been found in db.");
return(NotFound($"Customer with id: {id} not found"));
}
_logger.LogInformation($"Returned customer with id: {id}");
return(Ok(customer.Result));
}