Developers utilize JavaScript frameworks such as Angular, React, and Vue.js to create various single-page applications, which are structured in modular code chunks for efficient functionality. Once an application is ready for production, it must be compiled and bundled into a single file before being deployed to platforms like Firebase, a Google development platform offering services such as hosting and database management. This tutorial guides users through setting up continuous deployment for an Angular application to Firebase hosting, requiring Node.js, Angular CLI, and accounts with CircleCI, GitHub, and Firebase. It involves cloning a demo Angular project, installing dependencies, creating a Firebase project, and configuring Firebase hosting. The process includes setting up CircleCI to automate testing and deployment, using Firebase tools and authentication credentials to deploy the application. The goal is to establish a CI/CD workflow where changes in the codebase are automatically tested and deployed, ensuring efficient and reliable application updates.