Today, one of the popular ways to build applications is through microservices, which are small, modular applications that work together to form a larger whole.
In the APIs and Microservices Certification, you'll learn how to write back end-ready with Node.js and npm (Node Package Manager). You'll also build web applications with the Express framework, and build a People Finder microservice with MongoDB and the Mongoose library.
In this course, you'll learn the basics of using npm, including how to work with the
package.json and how to manage your installed dependencies.
In the last set of courses you learned to install and manage packages from npm, which are collections of smaller modules. These packages can help you build larger, more complex applications.
Express is a lightweight web application framework, and is one of the most popular packages on npm. Express makes it much easier to create a server and handle routing the routing for your application, which handles things like direct people to the correct page when they visit a certain endpoint like
In this course, you'll learn the basics of Node and Express including how to create a server, serve different files, and handle different requests from the browser.
MongoDB is a database application that stores JSON documents (or records) that you can use in your application. Unlike SQL, another type of database, Mongo is a non-relational or "NoSQL" database. This means Mongo stores all associated data within one record, instead of storing it across many preset tables as in a SQL database.
In the MongoDB and Mongoose courses, you'll learn the fundamentals of working with persistent data including how to set up a model, and save, delete, and find documents in the database.
You've worked with APIs before, but now that you know npm, Node, Express, MongoDB, and Mongoose, it's time to build your own. Draw on everything you've learned up to this point to create 5 different microservices, which are smaller applications that are limited in scope.
After creating these, you'll have 5 cool microservice APIs you can show of to friends, family, and potential employers. Oh, and you'll have a shiny new APIs and Microservices Certification, too.
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