Upload a file to Azure Blob Stage

gistfile1.cs

public async Task CreateBlobAsync(string connectionString, string containerName, string blobName, string content, string contentType = null)
{
    var container = new BlobContainerClient(connectionString, containerName);
    await container.CreateIfNotExistsAsync();

    var blob = container.GetBlobClient(blobName);
    await blob.DeleteIfExistsAsync();

    using var stream = new MemoryStream(Encoding.Default.GetBytes(content), false);

    var headers = new BlobHttpHeaders();

    if (!string.IsNullOrWhiteSpace(contentType))
    {
        headers.ContentType = contentType;
    }

    await blob.UploadAsync(stream, headers);
}

Link to NuGet library: https://www.nuget.org/packages/Azure.Storage.Blobs/