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    Full Stack Development with MongoDB: Covers Backend, Frontend, APIs, and Mobile App Development using PHP, NodeJS, ExpressJS, Python and React Native
    Full Stack Development with MongoDB: Covers Backend, Frontend, APIs, and Mobile App Development using PHP, NodeJS, ExpressJS, Python and React Native
    Full Stack Development with MongoDB: Covers Backend, Frontend, APIs, and Mobile App Development using PHP, NodeJS, ExpressJS, Python and React Native
    Ebook538 pages2 hours

    Full Stack Development with MongoDB: Covers Backend, Frontend, APIs, and Mobile App Development using PHP, NodeJS, ExpressJS, Python and React Native

    By Manu Sharma

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    About this ebook

    Full-Stack Development with MongoDB and Scaling Your Expertise to Web and Mobile App Development is the goal of this book.

    Starting with the basics, the book will assist any programmer and developer and those who deal with NodeJS, PHP, Python and React Native in setting up their working environment with MongoDB. Various full-stack configurations of libraries and frameworks for mobile and web applications are covered in length in this book. REST API, CRUD operations are also explained in a detailed manner. The skills you learn to use PHP, ExpressJS, NodeJS, Python and React Native become increasingly solid as time goes on.

    Everything in this book has been explained so that, once you begin working on the practical development while reading it, you will be more experienced in software development, both in web and mobile technologies, when you finish reading it.
    LanguageEnglish
    PublisherBPB Online LLP
    Release dateApr 18, 2022
    ISBN9789355510150
    Full Stack Development with MongoDB: Covers Backend, Frontend, APIs, and Mobile App Development using PHP, NodeJS, ExpressJS, Python and React Native

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      Book preview

      Full Stack Development with MongoDB - Manu Sharma

      CHAPTER 1

      Client and Server- Side Concepts and Introduction to MongoDB Drivers

      In the real-world scenario, when we request any information over the network or internet, then the client and server interact with each other to pass the requested information. In this chapter, you will be learning the concepts related to client-side and server-side and how the interactions happen between them. In the later sections of this chapter, we will be covering these concepts in relation to the databases like MongoDB, and we will learn how the dynamic sites which use the databases like MongoDB work.

      Structure

      In this chapter, we will discuss the following topics:

      Client and server-side concepts

      Client and server-side DB concepts

      Introduction to MongoDB drivers

      Objectives

      After studying this chapter, the reader will be able to understand the client-side and server-side concepts and learn the difference between the client and server. The reader will also learn the client- and server-side concepts in which a database like MongoDB is involved. This chapter will also cover the MongoDB drivers and their uses, the programming languages that are currently supported by MongoDB, and the MongoDB community availability of drivers.

      Client and server-side concepts

      Before we move on to the programming part of this chapter and the book, let us define a few concepts related to the client and server.

      Clients are those who send the requests to the server to perform specific tasks. The server receives the commands sent by the clients and performs the tasks. Once the tasks are executed and completed, the server sends the results back to the client.

      There are many different types of clients as well as servers. Each of them performs specific tasks. For example, there are Web servers and Web clients. A simple example of a Web server is Apache HTTP Web server, Microsoft IIS Web server, or NGINX Web server.

      Similarly, we have Web clients, which we use every day on our PCs, laptops, mobiles, tablets, and so on. So, we might be able to realize that they are Web browsers such as Google Chrome, Microsoft Edge, Mozilla Firefox, Mac Safari, Opera, and many more.

      So what happens here? You will type some URL of a website that you would like to visit, like "https://bpbonline.com", which is one of the best places to buy online IT and technology books. When you type the URL in the browser, the browser acts as a client and sends this request to the Web server on which the website of BPB Publication is running. The Web server accepts this request from the client and executes it at its end, and after that, it passes the request back as an HTML page that the browser understands easily, as shown in figure 1.1.

      Figure 1.1: Client–server architecture

      Now, let us understand this example in a more interesting manner.

      So, you visit the BPB Publication Online website by typing the URL "https://bpbonline.com" on your browser. Now, you want to purchase a book, and you go to the shopping cart of the website, pay the amount, and you are done. During all these steps, your client (who is your browser) and the server (on which the BPB Publication Online website is hosted) have been communicating with each other. This is the one side of the coin.

      Now, let us understand what could be happening on the server-side. As you know, e-commerce websites and portals like BPB Publication Online run with some sophisticated technologies, and those websites are dynamic. Here, dynamic means that the content and the features on these websites keep changing as new book titles arrive every week or every day. These websites update their content instantly. You are lucky sometimes when you reach these websites during a discount period or promotional offer.

      A few questions here are how do these dynamic things happen? Is something happening at only the Web server end?

      The answer is No! The Web server cannot alone do such dynamic things without the help of other technologies. The internet consists of different types of technology. Each website is unique in terms of its technology stack.

      To run these dynamic portals and websites, server-side programming languages such as PHP, Node JS (a server-side JavaScript environment), and Python are used. There are many other server-side programming languages available such as Java, C#, ASP.NET (.NET framework), and Ruby on Rails (RoR), but for this chapter and the upcoming chapters, we will be using examples from programming languages such as PHP, JavaScript (Node JS), and Python only.

      Where was MongoDB until now? Few of us are now thinking about where MongoDB or any other database fits in the client-server picture.

      Let us now understand the client and server concept in terms of database.

      Client and server-side DB concepts

      In the previous section, we have understood what client and server are in general terms. Now, let us move one step ahead and understand the concept of client and server where the database like MongoDB acts like a server.

      MongoDB is a database server, as you all know. It also executes the requests that it receives from the clients. As a browser, it acts as a Web client for a Web server. We have MongoDB clients like MongoDB Compass, which is the official client for MongoDB, and a few others like Robo 3T that are helpful in connecting to the MongoDB server.

      Whenever you install MongoDB on any OS, you need some client to connect and talk to the MongoDB Server. So, MongoDB client is a program that helps us to connect and perform various operations like the execution of the MongoDB queries and DB

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