Continuous deployment of Node.js to Azure VM

The text is a comprehensive tutorial on setting up a continuous deployment pipeline for a Node.js application to an Azure virtual machine using CircleCI. It explains the prerequisites needed, including accounts on Azure, CircleCI, and GitHub, as well as the installation of Node.js and Azure CLI. The tutorial guides the reader through cloning a Node.js project, configuring scripts for the PM2 process manager, and setting up a virtual machine on Azure with Nginx as a proxy server. It details using a cloud-init file for automating the VM setup and highlights the steps for generating and managing SSH keys to enable secure access. Additionally, the tutorial covers assigning permissions, configuring the CircleCI deployment pipeline through a YAML file, setting up environment variables in CircleCI, and ensuring successful deployment by testing the application through a web browser. The process leverages Azure's reliability and CircleCI's ease-of-use to streamline application deployment, aiming to enhance the deployment experience for developers and their teams.