FaaS

Azure provides FaaS. These are serverless implementations from Azure. With Azure Functions, code can be written in any language the user is comfortable with and Azure Functions will provide a runtime to execute it. Based on the language chosen, an appropriate platform is provided for users to bring their own code. Functions are a unit of deployment and can automatically be scaled out and in. When dealing with functions, users cannot view the underlying virtual machines and platform, but Azure Functions provides a small window to view them via the Kudu Console.

There are two main components of Azure Functions:

• The Azure Functions runtime
• Azure Functions binding and triggers

Let's learn about these components in detail.

The Azure Functions runtime

The core of Azure Functions is its runtime. The precursor to Azure Functions was Azure WebJobs. The code for Azure WebJobs also forms the core for Azure Functions. There are...