C#, Node.js, and Python side-by-side - Three Simple Command Line Tools to Copy Files up to Windows Azure Blob Storage - blog post here:

upload.cs

using System;
using System.Diagnostics;
using System.IO;
using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Auth;
using Microsoft.WindowsAzure.Storage.Blob;

internal class Program
{
   private static void Main(string[] args)
   {
      var storageAccountName = "azuremap";
      // storage key in file in parent directory called <storage_account_name>.storagekey
      var storageAccountKey = File.ReadAllText(String.Format("d:/dev/github/{0}.storagekey", storageAccountName));
      //Console.WriteLine(storageAccountKey);
      var storageContainerName = "maps";

      var creds = new StorageCredentials(storageAccountName, storageAccountKey);
      var storageAccount = new CloudStorageAccount(creds, useHttps: true);
      var blobClient = storageAccount.CreateCloudBlobClient();
      var container = blobClient.GetContainerReference(storageContainerName);

      string[] files = {"azuremap.geojson", "azuremap.topojson"};
      foreach (var file in files)
      {
         CloudBlockBlob blockBlob = container.GetBlockBlobReference(file);
         var filepath = @"D:\dev\github\azuremap\upload\" + file;
         blockBlob.UploadFromFile(filepath, FileMode.Open);
      }

      Console.WriteLine("Directory listing of all blobs in container {0}", storageContainerName);
      foreach (IListBlobItem blob in container.ListBlobs())
      {
         Console.WriteLine(blob.Uri);
      }

      if (Debugger.IsAttached) Console.ReadKey();
   }
}

upload.js

var azure = require('azure');
var fs = require('fs');

var storageAccountName = 'azuremap' // storage key in file in parent directory called <storage_account_name>.storagekey
var storageAccountKey = fs.readFileSync('../../%s.storagekey'.replace('%s', storageAccountName), 'utf8');
//console.log(storageAccountKey);
var storageContainerName = 'maps';

var blobService = azure.createBlobService(storageAccountName, storageAccountKey, storageAccountName + '.blob.core.windows.net');

var fileNameList = [ 'azuremap.geojson', 'azuremap.topojson' ];
for (var i=0; i<fileNameList.length; i++) {
	var fileName = fileNameList[i];
	console.log('=> ' + fileName);

	blobService.createBlockBlobFromFile(storageContainerName, fileName, fileName, 
		{ contentType: 'application/json', cacheControl: 'public, max-age=3600' }, // max-age units is seconds, so 31556926 is 1 year
		function(error) {
		        if (error) {
		            console.error(error);
		        }
    	});
}

blobService.listBlobs(storageContainerName, 
   function(error, blobs) {
		if (error) {
		   console.error(error);
	    }
    	else {
    		console.log('Directory listing of all blobs in container ' + storageContainerName);
        	for(var i in blobs) {
                console.log(blobs[i].name);
        	}
    	}
	});

upload.py

from azure.storage import *

storage_account_name = 'azuremap' # storage key in file in parent directory called <storage_account_name>.storagekey
storage_account_key = open(r'../../%s.storagekey' % storage_account_name, 'r').read() 
//print(storage_account_key)

blob_service = BlobService(account_name=storage_account_name, account_key=storage_account_key)
storage_container_name = 'maps'
blob_service.create_container(storage_container_name)
blob_service.set_container_acl(storage_container_name, x_ms_blob_public_access='container')

for file_name in [r'azuremap.geojson', r'azuremap.topojson']:
	myblob = open(file_name, 'r').read()
	blob_name = file_name
	blob_service.put_blob(storage_container_name, blob_name, myblob, x_ms_blob_type='BlockBlob')
	blob_service.set_blob_properties(storage_container_name, blob_name, x_ms_blob_content_type='application/json', x_ms_blob_cache_control='public, max-age=3600')

# Show a blob listing which now includes the blobs just uploaded
blobs = blob_service.list_blobs(storage_container_name)
print("Directory listing of all blobs in container '%s'" % storage_container_name)
for blob in blobs:
    print(blob.url)

# format for blobs is: <account>.blob.core.windows.net/<container>/<file>
# example blob for us: pytool.blob.core.windows.net/pyfiles/clouds.jpeg