Doug McDonald's tutorial provides a comprehensive guide for deploying a Gatsby blog to Microsoft Azure Storage using Visual Studio Code. The process begins with installing necessary tools such as Node, Gatsby CLI, and VS Code, followed by creating a blog using the Gatsby Starter Blog. For those without an existing Azure account, there's an option to sign up for a free 30-day trial with credits. The tutorial details steps for setting up an Azure Storage Account, configuring it for static site usage, and using the Azure Storage VS Code extension to facilitate deployment. After creating a production build of the blog, users are guided through deploying it to Azure, with clear instructions on account configuration and deployment verification. The guide highlights ease of use and efficiency, making it accessible for individuals looking to leverage Azure's cloud hosting capabilities for their Gatsby blogs.