Blob Read/Upload controller

controller.cs

namespace FileUpload.Services
{
    public class AzureStorageBlobService : IBlobService
    {
        private readonly string _connectionString;

        public AzureStorageBlobService(string connectionString)
        {
            _connectionString = connectionString;
        }


        public async Task<byte[]> GetBlob(string id)
        {
            var client = new BlobContainerClient(_connectionString, "images");
            var blob = client.GetBlobClient(id);
            var response = await blob.DownloadAsync();

            using (var memStream = new MemoryStream())
            {
                await response.Value.Content.CopyToAsync(memStream);

                return memStream.ToArray();
            }
        }

        public async Task SaveBlob(string id, Stream binaryContents)
        {
            var client = new BlobContainerClient(_connectionString, "images");
            var blob = client.GetBlobClient(id);

            await blob.UploadAsync(binaryContents);
        }
    }

    public interface IBlobService
    {
        Task SaveBlob(string id, Stream binaryContents);
        Task<byte[]> GetBlob(string id);
    }
}