[`How to Integrate Azure Functions with MongoDB | MongoDB Blog`] Azure Functions are the core building blocks of Microsoft's serverless technologies, allowing developers to write and execute code without worrying about provisioning and managing virtual machines and operating systems. The tutorial integrates Microsoft Azure Functions with MongoDB Atlas using C# as the programming language. It covers setting up a Visual Studio development environment, creating an Azure function within Visual Studio, writing a transactional query with the .NET MongoDB driver, connecting to MongoDB Atlas, deploying and testing the Azure function, and configuring IP whitelisting for secure connections. The tutorial also showcases the benefits of using Azure Functions and MongoDB Atlas together, including faster application deployment and improved database performance. The integration enables developers to create serverless applications that can scale quickly without worrying about underlying infrastructure management.