LazyLoadCache.cs

public async Task<Product> GetProduct(Guid productId)
{
    // Step 1: Get Value from Cache
    var cacheResult = await _cacheClient.GetAsync<Product>(BuildCacheKey(productId));
    if (cacheResult.HasValue)
    {
        return cacheResult.Value;
    }

    // Step 2: Cache Miss, Fetch from Database
    var product = await _dbContext.Products
        .Where(x => x.Id == productId)
        .Select(x => new Product
        {
            Id = x.Id,
            Name = x.Name,

        })
        .SingleAsync();

    // Step 3 - Write to Cache & Expire in 30 minutes
    await _cacheClient.SetAsync(BuildCacheKey(productId), product, DateTime.UtcNow.AddMinutes(30));

    return product;
}