In this blog, we will discuss the process of building a MERN (MongoDB, Express.js, React, Node.js) application professionally. It takes more than just coding to build a MERN application; proper code management and code security are essential.

To start, create two folders for the front-end and back-end. Install the required modules using npm or yarn. The back-end architecture consists of three elements: App.js, Routes, and Controllers. App.js links all the components, Routes define the link of the page component and work as a link, and Controllers are the functionalities added in the back-end.

After creating the controller, export it to its predefined route. This route will then act as a medium. A collection of routes is added in App.js, which links all the routes and makes them work as a team. To set up the database, log in to MongoDB Atlas and create your database. Connect the database to your backend in the App.js folder. Define the port, for example, localhost 5000. At this port, the backend will work as a team to serve the data. To test the backend, use Postman, which contains features that can help enhance the backend.

For the front end, use ReactJS. React consists of App.js and Components. Break down the website's elements into different reusable components, making the creation more organized and readable. These components are integrated into one in the App.js file.

Create the required components, and then integrate them into the App.js file. Define the port, for example, port 3000. Use Axiom to connect with the backend. To add styling to the components, use Tailwind or Material UI.

Finally, let's discuss hooks. Hooks are a recent feature of React that offers direct fetching and changing of data and eliminates the use of components and functions. UseState hook is used to change the major functionality of the components. This is used for the functionality that is most important for the component to perform. UseEffect hook changes the side functionality and the effects of the major functionality of a component. For example, changing the date, color, etc.

In conclusion, building a professional MERN application takes more than just coding. Proper code management and code security are essential. By following the steps outlined in this blog, you can build a MERN application that is both secure and efficient. Don't forget to follow the author on Twitter, LinkedIn, and GitHub for more informative content on development.