Automatically download files to Azure Blob Storage using Copy From URL API with C#

Program.cs

using Azure.Storage.Blobs;
using System;
using System.IO;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Program
    {
        // Required .NET Package: Azure.Storage.Blobs version >=12
        // API Docs: https://docs.microsoft.com/en-us/rest/api/storageservices/copy-blob-from-url
        static async Task Main(string[] args)
        {
            string connectionString = Environment.GetEnvironmentVariable("AZURE_CONNECTION_STRING", EnvironmentVariableTarget.Process);

            var filesToProcess = new[] {
                "http://deepyeti.ucsd.edu/jianmo/amazon/categoryFilesSmall/Grocery_and_Gourmet_Food.csv", // ~200MB
                "http://dmery.sitios.ing.uc.cl/images/GDXray/Castings.zip", // ~295MB
                "http://dmery.sitios.ing.uc.cl/images/GDXray/Baggages.zip" // ~3GB
            };

            Console.WriteLine("Copying Blob from URL (size limited to 250MB (?) )");

            BlobServiceClient blobServiceClient = new BlobServiceClient(connectionString);

            string containerName = $"data-{DateTime.UtcNow:yyyyMMddHHmm}";
            BlobContainerClient containerClient = await blobServiceClient.CreateBlobContainerAsync(containerName);
            await containerClient.CreateIfNotExistsAsync();

            foreach (var fileToProcess in filesToProcess)
            {
                string fileName = Path.GetFileName(fileToProcess);
                var blobClient = containerClient.GetBlobClient(fileName);
                blobClient.StartCopyFromUri(new Uri(fileToProcess));
            }

            Console.WriteLine($"Operation started. Closing application.");
        }
    }
}