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Some additional functionality you might incorporate into a production application is user authentication, reading and writing data from your MongoDB records, data backups, and load balancing. It also demonstrates how the different components exchange data between each other. The example application illustrates how all the programmable pieces of a web application can be written in JavaScript. This section shows you how to create a simple application that utilizes each component of the MEAN stack and demonstrates communication between each component. Use the MEAN Stack to Create an Example Application The output should display a version of 4.4.10 or depending on the version you installed. Verify your MongoDB installation using the -version flag. Once the repository is enabled, install the mongodb-org meta-package. Sudo add-apt-repository 'deb focal/mongodb-org/4.4 multiverse' Import the repository’s GPG key and add the MongoDB repository using the following command: wget -qO - | sudo apt-key add. Sudo apt install dirmngr gnupg apt-transport-https ca-certificates software-properties-common Install the dependencies necessary to add a new APT repository using the following commands: sudo apt update You should see the following output: my-angular-app is running! ng new my-angular-app -defaults # Initialize Angular project.Ĭd my-angular-app # Move into the project folder. Verify that the Angular installation is working by initializing a new project. Install Angular using the Node Package Manager.