The tutorial provides a comprehensive guide on deploying a Node.js application as a serverless workload using Knative and ArgoCD on an Azure Kubernetes Service (AKS) cluster. It explains the process of setting up Knative and ArgoCD to automate the continuous deployment of applications, emphasizing the benefits of serverless computing for focusing on application functionality rather than infrastructure management. Readers learn to create a continuous integration pipeline using CircleCI and configure ArgoCD for both manual and automated sync policies to deploy applications on Kubernetes clusters. The tutorial includes steps for containerizing the application with Docker, setting up an AKS cluster, and installing necessary tools like Knative and ArgoCD. It also covers accessing the ArgoCD web portal and monitoring resources via the ArgoCD dashboard, ultimately enabling automatic updates to the application deployment through GitOps practices.