var winston = require("winston");
  require("winston-azure-blob-transport");

  var logger = new (winston.Logger)({
    transports: [
      new (winston.transports.AzureBlob)({
        account: {
          name: "Azure storage account sub domain ([A-Za-z0-9])",
          key: "The long Azure storage secret key"
        },
        containerName: "A container name",
        blobName: "The name of the blob",
        level: "info"
      })
    ]
  });
  
  logger.warn("Hello!");